218776180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{223241}}^1$

素因数の和:223264

約数の個数: 36

約数和(自身を含む): 534441348

約数和(自身を除く): 315665168

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 223241, 446482, 892964, 1116205, 1562687, 2232410, 3125374, 4464820, 6250748, 7813435, 10938809, 15626870, 21877618, 31253740, 43755236, 54694045, 109388090, 218776180]

約数ペア:

[(1, 218776180), (2, 109388090), (4, 54694045), (5, 43755236), (7, 31253740), (10, 21877618), (14, 15626870), (20, 10938809), (28, 7813435), (35, 6250748), (49, 4464820), (70, 3125374), (98, 2232410), (140, 1562687), (196, 1116205), (245, 892964), (490, 446482), (980, 223241)]