muchance https://blog.hatena.ne.jp/muchance/ mu chance or much chance ? https://blog.muchance.jp/ Project Euler 問題 Problem 20：Factorial digit sum n! means n × (n − 1) × ... × 3 × 2 × 1For example, 10! = 10 × 9 × ... × 3 × 2 × 1 = 3628800, and the sum of the digits in the number 10! is 3 + 6 + 2 + 8 + 8 + 0 + 0 = 27.Find the sum of the digits in the number 100! 解答例 import math strNum = str(math.factorial(100))… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.muchance.jp%2Fentry%2F2017%2F06%2F01%2F233000" title="Project Euler 20 - mu chance or much chance ?" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2017-06-01 23:30:00 rich https://blog.muchance.jp/entry/2017/06/01/233000 1.0 100%