{"author_url":"https://blog.hatena.ne.jp/inamori/","blog_title":"inamori\u2019s diary","width":"100%","url":"https://inamori.hateblo.jp/entry/20100205/p2","provider_name":"Hatena Blog","description":"Problem 70 \u30aa\u30a4\u30e9\u30fc\u306e\u95a2\u6570\u03c6(n)\u306fn\u4ee5\u4e0b\u3067n\u3068\u4e92\u3044\u306b\u7d20\u306a\u6b63\u6570\u306e\u500b\u6570\u3092\u6c7a\u3081\u308b\u306e\u306b\u7528\u3044\u3089\u308c\u308b\u3002 \uff08\u4e2d\u7565\uff09\u8208\u5473\u6df1\u3044\u3053\u3068\u306b\u3001\u03c6(87109) = 79180\u306f\u300187109\u304c79180\u306e\u6570\u5b57\u306e\u9806\u756a\u3092\u5909\u3048\u305f\u3060\u3051\u306b\u306a\u3063\u3066\u3044\u308b\u3002 1 < n < 107\u3067\u03c6(n)\u304cn\u306e\u6570\u5b57\u306e\u9806\u756a\u3092\u5909\u3048\u305f\u3060\u3051\u306b\u306a\u3063\u3066\u3044\u3066\u3001n/\u03c6(n)\u304c\u6700\u5c0f\u306b\u306a\u308b\u3082\u306e\u3092\u6c42\u3081\u3088\u3002 http://projecteuler.net/index.php?section=problems&id=70 \u30a8\u30e9\u30c8\u30b9\u30c6\u30cd\u30b9\u306e\u3075\u308b\u3044\u7684\u306b107\u307e\u3067\u306e\u03c6(n)\u3092\u6c42\u3081\u3001\u5404n/\u03c6(n)\u3092\u6c42\u3081\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\uff08Code1\uff09\u3002 \u3057\u304b\u3057\u3001\u3053\u308c\u306f\u304b\u306a\u308a\u9045\u3044\u3067\u3059\u3002\u901f\u304f\u3059\u308b\u2026","blog_url":"https://inamori.hateblo.jp/","type":"rich","title":"Project Euler 70","author_name":"inamori","published":"2010-02-05 00:00:00","categories":["PE","\u6570\u5b66","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20100205%2Fp2\" title=\"Project Euler 70 - 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>","provider_url":"https://hatena.blog","image_url":null,"height":"190"}