661085480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1502467}}^1$

素因数の和:1502489

約数の個数: 32

約数和(自身を含む): 1622665440

約数和(自身を除く): 961579960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1502467, 3004934, 6009868, 7512335, 12019736, 15024670, 16527137, 30049340, 33054274, 60098680, 66108548, 82635685, 132217096, 165271370, 330542740, 661085480]

約数ペア:

[(1, 661085480), (2, 330542740), (4, 165271370), (5, 132217096), (8, 82635685), (10, 66108548), (11, 60098680), (20, 33054274), (22, 30049340), (40, 16527137), (44, 15024670), (55, 12019736), (88, 7512335), (110, 6009868), (220, 3004934), (440, 1502467)]