70640740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{49747}}^1$

素因数の和:49827

約数の個数: 24

約数和(自身を含む): 150437952

約数和(自身を除く): 79797212

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 49747, 99494, 198988, 248735, 497470, 994940, 3532037, 7064074, 14128148, 17660185, 35320370, 70640740]

約数ペア:

[(1, 70640740), (2, 35320370), (4, 17660185), (5, 14128148), (10, 7064074), (20, 3532037), (71, 994940), (142, 497470), (284, 248735), (355, 198988), (710, 99494), (1420, 49747)]