313639540

素因数分解:

$2^2\times 5^1\times {\mathrm{1697}}^1\times {\mathrm{9241}}^1$

素因数の和:10947

約数の個数: 24

約数和(自身を含む): 659102472

約数和(自身を除く): 345462932

約数列:

[1, 2, 4, 5, 10, 20, 1697, 3394, 6788, 8485, 9241, 16970, 18482, 33940, 36964, 46205, 92410, 184820, 15681977, 31363954, 62727908, 78409885, 156819770, 313639540]

約数ペア:

[(1, 313639540), (2, 156819770), (4, 78409885), (5, 62727908), (10, 31363954), (20, 15681977), (1697, 184820), (3394, 92410), (6788, 46205), (8485, 36964), (9241, 33940), (16970, 18482)]