811622020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{335381}}^1$

素因数の和:335412

約数の個数: 36

約数和(自身を含む): 1873443852

約数和(自身を除く): 1061821832

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 335381, 670762, 1341524, 1676905, 3353810, 3689191, 6707620, 7378382, 14756764, 18445955, 36891910, 40581101, 73783820, 81162202, 162324404, 202905505, 405811010, 811622020]

約数ペア:

[(1, 811622020), (2, 405811010), (4, 202905505), (5, 162324404), (10, 81162202), (11, 73783820), (20, 40581101), (22, 36891910), (44, 18445955), (55, 14756764), (110, 7378382), (121, 6707620), (220, 3689191), (242, 3353810), (484, 1676905), (605, 1341524), (1210, 670762), (2420, 335381)]