208730483980

素因数分解:

$2^2\times 5^1\times {\mathrm{110581}}^1\times {\mathrm{94379}}^1$

素因数の和:204969

約数の個数: 24

約数和(自身を含む): 438342624720

約数和(自身を除く): 229612140740

約数列:

[1, 2, 4, 5, 10, 20, 94379, 110581, 188758, 221162, 377516, 442324, 471895, 552905, 943790, 1105810, 1887580, 2211620, 10436524199, 20873048398, 41746096796, 52182620995, 104365241990, 208730483980]

約数ペア:

[(1, 208730483980), (2, 104365241990), (4, 52182620995), (5, 41746096796), (10, 20873048398), (20, 10436524199), (94379, 2211620), (110581, 1887580), (188758, 1105810), (221162, 943790), (377516, 552905), (442324, 471895)]