156938417980

素因数分解:

$2^2\times 5^1\times {\mathrm{18701}}^1\times {\mathrm{419599}}^1$

素因数の和:438309

約数の個数: 24

約数和(自身を含む): 329589086400

約数和(自身を除く): 172650668420

約数列:

[1, 2, 4, 5, 10, 20, 18701, 37402, 74804, 93505, 187010, 374020, 419599, 839198, 1678396, 2097995, 4195990, 8391980, 7846920899, 15693841798, 31387683596, 39234604495, 78469208990, 156938417980]

約数ペア:

[(1, 156938417980), (2, 78469208990), (4, 39234604495), (5, 31387683596), (10, 15693841798), (20, 7846920899), (18701, 8391980), (37402, 4195990), (74804, 2097995), (93505, 1678396), (187010, 839198), (374020, 419599)]