2643260

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{887}}^1$

素因数の和:1045

約数の個数: 24

約数和(自身を含む): 5594400

約数和(自身を除く): 2951140

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 887, 1490, 1774, 2980, 3548, 4435, 8870, 17740, 132163, 264326, 528652, 660815, 1321630, 2643260]

約数ペア:

[(1, 2643260), (2, 1321630), (4, 660815), (5, 528652), (10, 264326), (20, 132163), (149, 17740), (298, 8870), (596, 4435), (745, 3548), (887, 2980), (1490, 1774)]