68556740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{489691}}^1$

素因数の和:489707

約数の個数: 24

約数和(自身を含む): 164536512

約数和(自身を除く): 95979772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 489691, 979382, 1958764, 2448455, 3427837, 4896910, 6855674, 9793820, 13711348, 17139185, 34278370, 68556740]

約数ペア:

[(1, 68556740), (2, 34278370), (4, 17139185), (5, 13711348), (7, 9793820), (10, 6855674), (14, 4896910), (20, 3427837), (28, 2448455), (35, 1958764), (70, 979382), (140, 489691)]