66475220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{1039}}^1$

素因数の和:1512

約数の個数: 48

約数和(自身を含む): 160043520

約数和(自身を除く): 93568300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457, 914, 1039, 1828, 2078, 2285, 3199, 4156, 4570, 5195, 6398, 7273, 9140, 10390, 12796, 14546, 15995, 20780, 29092, 31990, 36365, 63980, 72730, 145460, 474823, 949646, 1899292, 2374115, 3323761, 4748230, 6647522, 9496460, 13295044, 16618805, 33237610, 66475220]

約数ペア:

[(1, 66475220), (2, 33237610), (4, 16618805), (5, 13295044), (7, 9496460), (10, 6647522), (14, 4748230), (20, 3323761), (28, 2374115), (35, 1899292), (70, 949646), (140, 474823), (457, 145460), (914, 72730), (1039, 63980), (1828, 36365), (2078, 31990), (2285, 29092), (3199, 20780), (4156, 15995), (4570, 14546), (5195, 12796), (6398, 10390), (7273, 9140)]