231678280

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{11117}}^1$

素因数の和:11649

約数の個数: 32

約数和(自身を含む): 522323640

約数和(自身を除く): 290645360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 11117, 20840, 22234, 44468, 55585, 88936, 111170, 222340, 444680, 5791957, 11583914, 23167828, 28959785, 46335656, 57919570, 115839140, 231678280]

約数ペア:

[(1, 231678280), (2, 115839140), (4, 57919570), (5, 46335656), (8, 28959785), (10, 23167828), (20, 11583914), (40, 5791957), (521, 444680), (1042, 222340), (2084, 111170), (2605, 88936), (4168, 55585), (5210, 44468), (10420, 22234), (11117, 20840)]