2955142780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1063001}}^1$

素因数の和:1063149

約数の個数: 24

約数和(自身を含む): 6250451760

約数和(自身を除く): 3295308980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 1063001, 2126002, 4252004, 5315005, 10630010, 21260020, 147757139, 295514278, 591028556, 738785695, 1477571390, 2955142780]

約数ペア:

[(1, 2955142780), (2, 1477571390), (4, 738785695), (5, 591028556), (10, 295514278), (20, 147757139), (139, 21260020), (278, 10630010), (556, 5315005), (695, 4252004), (1390, 2126002), (2780, 1063001)]