389461480

素因数分解:

$2^3\times 5^1\times {\mathrm{9736537}}^1$

素因数の和:9736548

約数の個数: 16

約数和(自身を含む): 876288420

約数和(自身を除く): 486826940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9736537, 19473074, 38946148, 48682685, 77892296, 97365370, 194730740, 389461480]

約数ペア:

[(1, 389461480), (2, 194730740), (4, 97365370), (5, 77892296), (8, 48682685), (10, 38946148), (20, 19473074), (40, 9736537)]