78263740

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{26263}}^1$

素因数の和:26421

約数の個数: 24

約数和(自身を含む): 165463200

約数和(自身を除く): 87199460

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 26263, 52526, 105052, 131315, 262630, 525260, 3913187, 7826374, 15652748, 19565935, 39131870, 78263740]

約数ペア:

[(1, 78263740), (2, 39131870), (4, 19565935), (5, 15652748), (10, 7826374), (20, 3913187), (149, 525260), (298, 262630), (596, 131315), (745, 105052), (1490, 52526), (2980, 26263)]