238868080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{521}}^2$

素因数の和:1066

約数の個数: 60

約数和(自身を含む): 607021416

約数和(自身を除く): 368153336

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 521, 880, 1042, 2084, 2605, 4168, 5210, 5731, 8336, 10420, 11462, 20840, 22924, 28655, 41680, 45848, 57310, 91696, 114620, 229240, 271441, 458480, 542882, 1085764, 1357205, 2171528, 2714410, 2985851, 4343056, 5428820, 5971702, 10857640, 11943404, 14929255, 21715280, 23886808, 29858510, 47773616, 59717020, 119434040, 238868080]

約数ペア:

[(1, 238868080), (2, 119434040), (4, 59717020), (5, 47773616), (8, 29858510), (10, 23886808), (11, 21715280), (16, 14929255), (20, 11943404), (22, 10857640), (40, 5971702), (44, 5428820), (55, 4343056), (80, 2985851), (88, 2714410), (110, 2171528), (176, 1357205), (220, 1085764), (440, 542882), (521, 458480), (880, 271441), (1042, 229240), (2084, 114620), (2605, 91696), (4168, 57310), (5210, 45848), (5731, 41680), (8336, 28655), (10420, 22924), (11462, 20840)]