170493260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1217809}}^1$

素因数の和:1217825

約数の個数: 24

約数和(自身を含む): 409184160

約数和(自身を除く): 238690900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1217809, 2435618, 4871236, 6089045, 8524663, 12178090, 17049326, 24356180, 34098652, 42623315, 85246630, 170493260]

約数ペア:

[(1, 170493260), (2, 85246630), (4, 42623315), (5, 34098652), (7, 24356180), (10, 17049326), (14, 12178090), (20, 8524663), (28, 6089045), (35, 4871236), (70, 2435618), (140, 1217809)]