30751820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1370

約数の個数: 48

約数和(自身を含む): 71130528

約数和(自身を除く): 40378708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 1130, 1237, 1243, 2260, 2474, 2486, 4948, 4972, 6185, 6215, 12370, 12430, 13607, 24740, 24860, 27214, 54428, 68035, 136070, 139781, 272140, 279562, 559124, 698905, 1397810, 1537591, 2795620, 3075182, 6150364, 7687955, 15375910, 30751820]

約数ペア:

[(1, 30751820), (2, 15375910), (4, 7687955), (5, 6150364), (10, 3075182), (11, 2795620), (20, 1537591), (22, 1397810), (44, 698905), (55, 559124), (110, 279562), (113, 272140), (220, 139781), (226, 136070), (452, 68035), (565, 54428), (1130, 27214), (1237, 24860), (1243, 24740), (2260, 13607), (2474, 12430), (2486, 12370), (4948, 6215), (4972, 6185)]