268406980

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{189019}}^1$

素因数の和:189099

約数の個数: 24

約数和(自身を含む): 571596480

約数和(自身を除く): 303189500

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 189019, 378038, 756076, 945095, 1890190, 3780380, 13420349, 26840698, 53681396, 67101745, 134203490, 268406980]

約数ペア:

[(1, 268406980), (2, 134203490), (4, 67101745), (5, 53681396), (10, 26840698), (20, 13420349), (71, 3780380), (142, 1890190), (284, 945095), (355, 756076), (710, 378038), (1420, 189019)]