90676180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{647687}}^1$

素因数の和:647703

約数の個数: 24

約数和(自身を含む): 217623168

約数和(自身を除く): 126946988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 647687, 1295374, 2590748, 3238435, 4533809, 6476870, 9067618, 12953740, 18135236, 22669045, 45338090, 90676180]

約数ペア:

[(1, 90676180), (2, 45338090), (4, 22669045), (5, 18135236), (7, 12953740), (10, 9067618), (14, 6476870), (20, 4533809), (28, 3238435), (35, 2590748), (70, 1295374), (140, 647687)]