421657360

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{18757}}^1$

素因数の和:19051

約数の個数: 40

約数和(自身を含む): 983894616

約数和(自身を除く): 562237256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 11240, 18757, 22480, 37514, 75028, 93785, 150056, 187570, 300112, 375140, 750280, 1500560, 5270717, 10541434, 21082868, 26353585, 42165736, 52707170, 84331472, 105414340, 210828680, 421657360]

約数ペア:

[(1, 421657360), (2, 210828680), (4, 105414340), (5, 84331472), (8, 52707170), (10, 42165736), (16, 26353585), (20, 21082868), (40, 10541434), (80, 5270717), (281, 1500560), (562, 750280), (1124, 375140), (1405, 300112), (2248, 187570), (2810, 150056), (4496, 93785), (5620, 75028), (11240, 37514), (18757, 22480)]