2912278180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20801987}}^1$

素因数の和:20802003

約数の個数: 24

約数和(自身を含む): 6989467968

約数和(自身を除く): 4077189788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20801987, 41603974, 83207948, 104009935, 145613909, 208019870, 291227818, 416039740, 582455636, 728069545, 1456139090, 2912278180]

約数ペア:

[(1, 2912278180), (2, 1456139090), (4, 728069545), (5, 582455636), (7, 416039740), (10, 291227818), (14, 208019870), (20, 145613909), (28, 104009935), (35, 83207948), (70, 41603974), (140, 20801987)]