71356180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{509687}}^1$

素因数の和:509703

約数の個数: 24

約数和(自身を含む): 171255168

約数和(自身を除く): 99898988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 509687, 1019374, 2038748, 2548435, 3567809, 5096870, 7135618, 10193740, 14271236, 17839045, 35678090, 71356180]

約数ペア:

[(1, 71356180), (2, 35678090), (4, 17839045), (5, 14271236), (7, 10193740), (10, 7135618), (14, 5096870), (20, 3567809), (28, 2548435), (35, 2038748), (70, 1019374), (140, 509687)]