788478890

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{3169}}^1$

素因数の和:3494

約数の個数: 32

約数和(自身を含む): 1437912000

約数和(自身を除く): 649433110

約数列:

[1, 2, 5, 10, 139, 179, 278, 358, 695, 895, 1390, 1790, 3169, 6338, 15845, 24881, 31690, 49762, 124405, 248810, 440491, 567251, 880982, 1134502, 2202455, 2836255, 4404910, 5672510, 78847889, 157695778, 394239445, 788478890]

約数ペア:

[(1, 788478890), (2, 394239445), (5, 157695778), (10, 78847889), (139, 5672510), (179, 4404910), (278, 2836255), (358, 2202455), (695, 1134502), (895, 880982), (1390, 567251), (1790, 440491), (3169, 248810), (6338, 124405), (15845, 49762), (24881, 31690)]