{"type":"rich","width":"100%","provider_name":"Hatena Blog","published":"2009-07-26 00:00:00","provider_url":"https://hatena.blog","description":"\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30aa\u30a4\u30e9\u30fc http://projecteuler.net/ Q233. \u539f\u70b9\u304c\u4e2d\u5fc3\u3067\u534a\u5f84N\u306e\u5186\u5468\u4e0a\u306e\u683c\u5b50\u70b9\u306e\u6570\u3092f(N)\u3068\u3059\u308b\u3002f(N) = 420\u3068\u306a\u308bN\u306e\u7dcf\u548c\u3092\u6c42\u3081\u3088\u3002 \u5927\u5909\u3060\u3063\u305f\u3002 N\u3092\u7d20\u56e0\u6570\u5206\u89e3\u3057\u305f\u3068\u304d\u30014\u3067\u5272\u3063\u30661\u4f59\u308b\u7d20\u56e0\u6570\u3057\u304b\u51fa\u3066\u3053\u306a\u3044\u3068\u304d\u3001\u3053\u306e\u5186\u5468\u306f\u7b2c1\u8c61\u9650\u306b\u4e92\u3044\u306b\u7d20\u306a\u683c\u5b50\u70b9\u3092\u6301\u3061\u3001\u7d20\u56e0\u6570\u306e\u91cd\u8907\u3092\u9664\u3044\u305f\u500b\u6570\u3092m\u3068\u3059\u308b\u3068\u3001\u5bfe\u79f0\u306e\u4f4d\u7f6e\u3092\u91cd\u8907\u3057\u306a\u3044\u3067\u6570\u3048\u308b\u3068\u30012m-1\u500b\u683c\u5b50\u70b9\u3092\u6301\u3064\u3002\u4e92\u3044\u306b\u7d20\u3067\u306a\u3044\u5834\u5408\u3082\u6570\u3048\u308b\u3068\u3001\u4f8b\u3048\u3070\u30014\u3067\u5272\u3063\u30661\u4f59\u308b\u7d20\u56e0\u6570\u304c3\u3064\u51fa\u3066\u304f\u308b\u3068\u304d\u3001 N = kp1e1p2e2p3e3 \u7b2c1\u8c61\u9650\u306e\u53f3\u4e0b\u534a\u5206\u306b 4e1e2e3 + 2(e2e3 + e3e1 + e\u2026","height":"190","blog_url":"https://inamori.hateblo.jp/","version":"1.0","author_url":"https://blog.hatena.ne.jp/inamori/","url":"https://inamori.hateblo.jp/entry/20090726/p1","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20090726%2Fp1\" title=\"Project Euler 233 - inamori\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Project Euler 233","blog_title":"inamori\u2019s diary","image_url":null,"categories":["\u6570\u5b66","Python"],"author_name":"inamori"}