638405710

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{95713}}^1$

素因数の和:95772

約数の個数: 32

約数和(自身を含む): 1240453440

約数和(自身を除く): 602047730

約数列:

[1, 2, 5, 10, 23, 29, 46, 58, 115, 145, 230, 290, 667, 1334, 3335, 6670, 95713, 191426, 478565, 957130, 2201399, 2775677, 4402798, 5551354, 11006995, 13878385, 22013990, 27756770, 63840571, 127681142, 319202855, 638405710]

約数ペア:

[(1, 638405710), (2, 319202855), (5, 127681142), (10, 63840571), (23, 27756770), (29, 22013990), (46, 13878385), (58, 11006995), (115, 5551354), (145, 4402798), (230, 2775677), (290, 2201399), (667, 957130), (1334, 478565), (3335, 191426), (6670, 95713)]