157072306840

素因数分解:

$2^3\times 5^1\times {\mathrm{9721}}^1\times {\mathrm{403951}}^1$

素因数の和:413683

約数の個数: 32

約数和(自身を含む): 353449920960

約数和(自身を除く): 196377614120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9721, 19442, 38884, 48605, 77768, 97210, 194420, 388840, 403951, 807902, 1615804, 2019755, 3231608, 4039510, 8079020, 16158040, 3926807671, 7853615342, 15707230684, 19634038355, 31414461368, 39268076710, 78536153420, 157072306840]

約数ペア:

[(1, 157072306840), (2, 78536153420), (4, 39268076710), (5, 31414461368), (8, 19634038355), (10, 15707230684), (20, 7853615342), (40, 3926807671), (9721, 16158040), (19442, 8079020), (38884, 4039510), (48605, 3231608), (77768, 2019755), (97210, 1615804), (194420, 807902), (388840, 403951)]