{"categories":["\u6570\u5b66","Python"],"author_url":"https://blog.hatena.ne.jp/inamori/","published":"2009-05-25 00:00:00","description":"\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u30aa\u30a4\u30e9\u30fc http://projecteuler.net/index.php Q159. \u81ea\u7136\u6570\u306e\u5404\u6841\u306e\u548c\u3092\u3068\u308a\u3001\u3055\u3089\u306b\u305d\u308c\u304c1\u6841\u306b\u306a\u308b\u307e\u3067\u305d\u308c\u3092\u7e70\u308a\u8fd4\u3059\u3002\u3053\u306e\u5024\u3092DR\u3068\u547c\u3076\u3002\u4f8b\u3048\u3070\u3001467\u219217\u21928\u3002\u81ea\u7136\u6570n\u3092\u7a4d\u306e\u5f62\u306b\u66f8\u3044\u3066\u3001\u305d\u306e\u56e0\u5b50\u306eDR\u306e\u5408\u8a08\u306e\u6700\u5927\u3092mdrs(n)\u3068\u3059\u308b\u30021 < n < 1000000\u3067\u306emdrs(n)\u306e\u5408\u8a08\u3002 mdrs(n)\u3092\u8a08\u7b97\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u7a4d\u306e\u5f62\u3092\u751f\u6210\u3059\u308b\u300210\u672a\u6e80\u306a\u3089\u3053\u3046\u306a\u308b\u3002 [2] [2, 2] [2, 2, 2] [2, 3] [2, 4] [3] [3, 3] [4] [5] [6] [7] [8] [9] \u5b9f\u969b\u306b\u306f\u3001\u7a4d\u3068DR\u306e\u7dcf\u548c\u306e\u30bf\u30d7\u30eb\u3092\u2026","blog_url":"https://inamori.hateblo.jp/","version":"1.0","url":"https://inamori.hateblo.jp/entry/20090525/p1","height":"190","provider_name":"Hatena Blog","blog_title":"inamori\u2019s diary","width":"100%","type":"rich","image_url":null,"author_name":"inamori","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20090525%2Fp1\" title=\"Project Euler 159 - 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 159"}