351140

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 749112

約数和(自身を除く): 397972

約数列:

[1, 2, 4, 5, 10, 20, 97, 181, 194, 362, 388, 485, 724, 905, 970, 1810, 1940, 3620, 17557, 35114, 70228, 87785, 175570, 351140]

約数ペア:

[(1, 351140), (2, 175570), (4, 87785), (5, 70228), (10, 35114), (20, 17557), (97, 3620), (181, 1940), (194, 1810), (362, 970), (388, 905), (485, 724)]