157017980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1121557}}^1$

素因数の和:1121573

約数の個数: 24

約数和(自身を含む): 376843488

約数和(自身を除く): 219825508

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1121557, 2243114, 4486228, 5607785, 7850899, 11215570, 15701798, 22431140, 31403596, 39254495, 78508990, 157017980]

約数ペア:

[(1, 157017980), (2, 78508990), (4, 39254495), (5, 31403596), (7, 22431140), (10, 15701798), (14, 11215570), (20, 7850899), (28, 5607785), (35, 4486228), (70, 2243114), (140, 1121557)]