311021620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{24413}}^1$

素因数の和:24449

約数の個数: 72

約数和(自身を含む): 818259624

約数和(自身を除く): 507238004

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 24413, 48826, 97652, 122065, 170891, 244130, 317369, 341782, 488260, 634738, 683564, 854455, 1196237, 1269476, 1586845, 1708910, 2221583, 2392474, 3173690, 3417820, 4443166, 4784948, 5981185, 6347380, 8886332, 11107915, 11962370, 15551081, 22215830, 23924740, 31102162, 44431660, 62204324, 77755405, 155510810, 311021620]

約数ペア:

[(1, 311021620), (2, 155510810), (4, 77755405), (5, 62204324), (7, 44431660), (10, 31102162), (13, 23924740), (14, 22215830), (20, 15551081), (26, 11962370), (28, 11107915), (35, 8886332), (49, 6347380), (52, 5981185), (65, 4784948), (70, 4443166), (91, 3417820), (98, 3173690), (130, 2392474), (140, 2221583), (182, 1708910), (196, 1586845), (245, 1269476), (260, 1196237), (364, 854455), (455, 683564), (490, 634738), (637, 488260), (910, 341782), (980, 317369), (1274, 244130), (1820, 170891), (2548, 122065), (3185, 97652), (6370, 48826), (12740, 24413)]