123591820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{51071}}^1$

素因数の和:51102

約数の個数: 36

約数和(自身を含む): 285288192

約数和(自身を除く): 161696372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 51071, 102142, 204284, 255355, 510710, 561781, 1021420, 1123562, 2247124, 2808905, 5617810, 6179591, 11235620, 12359182, 24718364, 30897955, 61795910, 123591820]

約数ペア:

[(1, 123591820), (2, 61795910), (4, 30897955), (5, 24718364), (10, 12359182), (11, 11235620), (20, 6179591), (22, 5617810), (44, 2808905), (55, 2247124), (110, 1123562), (121, 1021420), (220, 561781), (242, 510710), (484, 255355), (605, 204284), (1210, 102142), (2420, 51071)]