120812780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{549149}}^1$

素因数の和:549169

約数の個数: 24

約数和(自身を含む): 276771600

約数和(自身を除く): 155958820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 549149, 1098298, 2196596, 2745745, 5491490, 6040639, 10982980, 12081278, 24162556, 30203195, 60406390, 120812780]

約数ペア:

[(1, 120812780), (2, 60406390), (4, 30203195), (5, 24162556), (10, 12081278), (11, 10982980), (20, 6040639), (22, 5491490), (44, 2745745), (55, 2196596), (110, 1098298), (220, 549149)]