477890620

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1\times {\mathrm{1019}}^1$

素因数の和:1338

約数の個数: 48

約数和(自身を含む): 1017878400

約数和(自身を除く): 539987780

約数列:

[1, 2, 4, 5, 10, 20, 131, 179, 262, 358, 524, 655, 716, 895, 1019, 1310, 1790, 2038, 2620, 3580, 4076, 5095, 10190, 20380, 23449, 46898, 93796, 117245, 133489, 182401, 234490, 266978, 364802, 468980, 533956, 667445, 729604, 912005, 1334890, 1824010, 2669780, 3648020, 23894531, 47789062, 95578124, 119472655, 238945310, 477890620]

約数ペア:

[(1, 477890620), (2, 238945310), (4, 119472655), (5, 95578124), (10, 47789062), (20, 23894531), (131, 3648020), (179, 2669780), (262, 1824010), (358, 1334890), (524, 912005), (655, 729604), (716, 667445), (895, 533956), (1019, 468980), (1310, 364802), (1790, 266978), (2038, 234490), (2620, 182401), (3580, 133489), (4076, 117245), (5095, 93796), (10190, 46898), (20380, 23449)]