198310480

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{21937}}^1$

素因数の和:22063

約数の個数: 40

約数和(自身を含む): 465173352

約数和(自身を除く): 266862872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 9040, 21937, 43874, 87748, 109685, 175496, 219370, 350992, 438740, 877480, 1754960, 2478881, 4957762, 9915524, 12394405, 19831048, 24788810, 39662096, 49577620, 99155240, 198310480]

約数ペア:

[(1, 198310480), (2, 99155240), (4, 49577620), (5, 39662096), (8, 24788810), (10, 19831048), (16, 12394405), (20, 9915524), (40, 4957762), (80, 2478881), (113, 1754960), (226, 877480), (452, 438740), (565, 350992), (904, 219370), (1130, 175496), (1808, 109685), (2260, 87748), (4520, 43874), (9040, 21937)]