879661940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1\times {\mathrm{2539}}^1$

素因数の和:3584

約数の個数: 48

約数和(自身を含む): 1958644800

約数和(自身を除く): 1078982860

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1019, 2038, 2539, 4076, 5078, 5095, 10156, 10190, 12695, 17323, 20380, 25390, 34646, 43163, 50780, 69292, 86326, 86615, 172652, 173230, 215815, 346460, 431630, 863260, 2587241, 5174482, 10348964, 12936205, 25872410, 43983097, 51744820, 87966194, 175932388, 219915485, 439830970, 879661940]

約数ペア:

[(1, 879661940), (2, 439830970), (4, 219915485), (5, 175932388), (10, 87966194), (17, 51744820), (20, 43983097), (34, 25872410), (68, 12936205), (85, 10348964), (170, 5174482), (340, 2587241), (1019, 863260), (2038, 431630), (2539, 346460), (4076, 215815), (5078, 173230), (5095, 172652), (10156, 86615), (10190, 86326), (12695, 69292), (17323, 50780), (20380, 43163), (25390, 34646)]