261644740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{8233}}^1$

素因数の和:8476

約数の個数: 48

約数和(自身を含む): 630790272

約数和(自身を除く): 369145532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 908, 1135, 1589, 2270, 3178, 4540, 6356, 7945, 8233, 15890, 16466, 31780, 32932, 41165, 57631, 82330, 115262, 164660, 230524, 288155, 576310, 1152620, 1868891, 3737782, 7475564, 9344455, 13082237, 18688910, 26164474, 37377820, 52328948, 65411185, 130822370, 261644740]

約数ペア:

[(1, 261644740), (2, 130822370), (4, 65411185), (5, 52328948), (7, 37377820), (10, 26164474), (14, 18688910), (20, 13082237), (28, 9344455), (35, 7475564), (70, 3737782), (140, 1868891), (227, 1152620), (454, 576310), (908, 288155), (1135, 230524), (1589, 164660), (2270, 115262), (3178, 82330), (4540, 57631), (6356, 41165), (7945, 32932), (8233, 31780), (15890, 16466)]