207905660

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{69767}}^1$

素因数の和:69925

約数の個数: 24

約数和(自身を含む): 439538400

約数和(自身を除く): 231632740

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 69767, 139534, 279068, 348835, 697670, 1395340, 10395283, 20790566, 41581132, 51976415, 103952830, 207905660]

約数ペア:

[(1, 207905660), (2, 103952830), (4, 51976415), (5, 41581132), (10, 20790566), (20, 10395283), (149, 1395340), (298, 697670), (596, 348835), (745, 279068), (1490, 139534), (2980, 69767)]