130888900

素因数分解:

$2^2\times 5^2\times {\mathrm{421}}^1\times {\mathrm{3109}}^1$

素因数の和:3544

約数の個数: 36

約数和(自身を含む): 284795140

約数和(自身を除く): 153906240

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 421, 842, 1684, 2105, 3109, 4210, 6218, 8420, 10525, 12436, 15545, 21050, 31090, 42100, 62180, 77725, 155450, 310900, 1308889, 2617778, 5235556, 6544445, 13088890, 26177780, 32722225, 65444450, 130888900]

約数ペア:

[(1, 130888900), (2, 65444450), (4, 32722225), (5, 26177780), (10, 13088890), (20, 6544445), (25, 5235556), (50, 2617778), (100, 1308889), (421, 310900), (842, 155450), (1684, 77725), (2105, 62180), (3109, 42100), (4210, 31090), (6218, 21050), (8420, 15545), (10525, 12436)]