70186660

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{25247}}^1$

素因数の和:25395

約数の個数: 24

約数和(自身を含む): 148458240

約数和(自身を除く): 78271580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 25247, 50494, 100988, 126235, 252470, 504940, 3509333, 7018666, 14037332, 17546665, 35093330, 70186660]

約数ペア:

[(1, 70186660), (2, 35093330), (4, 17546665), (5, 14037332), (10, 7018666), (20, 3509333), (139, 504940), (278, 252470), (556, 126235), (695, 100988), (1390, 50494), (2780, 25247)]