289327940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{119557}}^1$

素因数の和:119588

約数の個数: 36

約数和(自身を含む): 667850988

約数和(自身を除く): 378523048

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 119557, 239114, 478228, 597785, 1195570, 1315127, 2391140, 2630254, 5260508, 6575635, 13151270, 14466397, 26302540, 28932794, 57865588, 72331985, 144663970, 289327940]

約数ペア:

[(1, 289327940), (2, 144663970), (4, 72331985), (5, 57865588), (10, 28932794), (11, 26302540), (20, 14466397), (22, 13151270), (44, 6575635), (55, 5260508), (110, 2630254), (121, 2391140), (220, 1315127), (242, 1195570), (484, 597785), (605, 478228), (1210, 239114), (2420, 119557)]