9938740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70991}}^1$

素因数の和:71007

約数の個数: 24

約数和(自身を含む): 23853312

約数和(自身を除く): 13914572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70991, 141982, 283964, 354955, 496937, 709910, 993874, 1419820, 1987748, 2484685, 4969370, 9938740]

約数ペア:

[(1, 9938740), (2, 4969370), (4, 2484685), (5, 1987748), (7, 1419820), (10, 993874), (14, 709910), (20, 496937), (28, 354955), (35, 283964), (70, 141982), (140, 70991)]