189838580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{2267}}^1$

素因数の和:2408

約数の個数: 48

約数和(自身を含む): 411505920

約数和(自身を除く): 221667340

約数列:

[1, 2, 4, 5, 10, 20, 53, 79, 106, 158, 212, 265, 316, 395, 530, 790, 1060, 1580, 2267, 4187, 4534, 8374, 9068, 11335, 16748, 20935, 22670, 41870, 45340, 83740, 120151, 179093, 240302, 358186, 480604, 600755, 716372, 895465, 1201510, 1790930, 2403020, 3581860, 9491929, 18983858, 37967716, 47459645, 94919290, 189838580]

約数ペア:

[(1, 189838580), (2, 94919290), (4, 47459645), (5, 37967716), (10, 18983858), (20, 9491929), (53, 3581860), (79, 2403020), (106, 1790930), (158, 1201510), (212, 895465), (265, 716372), (316, 600755), (395, 480604), (530, 358186), (790, 240302), (1060, 179093), (1580, 120151), (2267, 83740), (4187, 45340), (4534, 41870), (8374, 22670), (9068, 20935), (11335, 16748)]