289451870

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{194263}}^1$

素因数の和:194419

約数の個数: 16

約数和(自身を含む): 524512800

約数和(自身を除く): 235060930

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 194263, 388526, 971315, 1942630, 28945187, 57890374, 144725935, 289451870]

約数ペア:

[(1, 289451870), (2, 144725935), (5, 57890374), (10, 28945187), (149, 1942630), (298, 971315), (745, 388526), (1490, 194263)]