1894200400

素因数分解:

$2^4\times 5^2\times {\mathrm{1871}}^1\times {\mathrm{2531}}^1$

素因数の和:4420

約数の個数: 60

約数和(自身を含む): 4555047744

約数和(自身を除く): 2660847344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1871, 2531, 3742, 5062, 7484, 9355, 10124, 12655, 14968, 18710, 20248, 25310, 29936, 37420, 40496, 46775, 50620, 63275, 74840, 93550, 101240, 126550, 149680, 187100, 202480, 253100, 374200, 506200, 748400, 1012400, 4735501, 9471002, 18942004, 23677505, 37884008, 47355010, 75768016, 94710020, 118387525, 189420040, 236775050, 378840080, 473550100, 947100200, 1894200400]

約数ペア:

[(1, 1894200400), (2, 947100200), (4, 473550100), (5, 378840080), (8, 236775050), (10, 189420040), (16, 118387525), (20, 94710020), (25, 75768016), (40, 47355010), (50, 37884008), (80, 23677505), (100, 18942004), (200, 9471002), (400, 4735501), (1871, 1012400), (2531, 748400), (3742, 506200), (5062, 374200), (7484, 253100), (9355, 202480), (10124, 187100), (12655, 149680), (14968, 126550), (18710, 101240), (20248, 93550), (25310, 74840), (29936, 63275), (37420, 50620), (40496, 46775)]