199389740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{906317}}^1$

素因数の和:906337

約数の個数: 24

約数和(自身を含む): 456784272

約数和(自身を除く): 257394532

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 906317, 1812634, 3625268, 4531585, 9063170, 9969487, 18126340, 19938974, 39877948, 49847435, 99694870, 199389740]

約数ペア:

[(1, 199389740), (2, 99694870), (4, 49847435), (5, 39877948), (10, 19938974), (11, 18126340), (20, 9969487), (22, 9063170), (44, 4531585), (55, 3625268), (110, 1812634), (220, 906317)]