431157980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{5171}}^1$

素因数の和:5570

約数の個数: 48

約数和(自身を含む): 990541440

約数和(自身を除く): 559383460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 379, 758, 1516, 1895, 3790, 4169, 5171, 7580, 8338, 10342, 16676, 20684, 20845, 25855, 41690, 51710, 56881, 83380, 103420, 113762, 227524, 284405, 568810, 1137620, 1959809, 3919618, 7839236, 9799045, 19598090, 21557899, 39196180, 43115798, 86231596, 107789495, 215578990, 431157980]

約数ペア:

[(1, 431157980), (2, 215578990), (4, 107789495), (5, 86231596), (10, 43115798), (11, 39196180), (20, 21557899), (22, 19598090), (44, 9799045), (55, 7839236), (110, 3919618), (220, 1959809), (379, 1137620), (758, 568810), (1516, 284405), (1895, 227524), (3790, 113762), (4169, 103420), (5171, 83380), (7580, 56881), (8338, 51710), (10342, 41690), (16676, 25855), (20684, 20845)]