820216180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{5858687}}^1$

素因数の和:5858703

約数の個数: 24

約数和(自身を含む): 1968519168

約数和(自身を除く): 1148302988

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 5858687, 11717374, 23434748, 29293435, 41010809, 58586870, 82021618, 117173740, 164043236, 205054045, 410108090, 820216180]

約数ペア:

[(1, 820216180), (2, 410108090), (4, 205054045), (5, 164043236), (7, 117173740), (10, 82021618), (14, 58586870), (20, 41010809), (28, 29293435), (35, 23434748), (70, 11717374), (140, 5858687)]