248157980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1772557}}^1$

素因数の和:1772573

約数の個数: 24

約数和(自身を含む): 595579488

約数和(自身を除く): 347421508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1772557, 3545114, 7090228, 8862785, 12407899, 17725570, 24815798, 35451140, 49631596, 62039495, 124078990, 248157980]

約数ペア:

[(1, 248157980), (2, 124078990), (4, 62039495), (5, 49631596), (7, 35451140), (10, 24815798), (14, 17725570), (20, 12407899), (28, 8862785), (35, 7090228), (70, 3545114), (140, 1772557)]