205716460

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{75079}}^1$

素因数の和:75225

約数の個数: 24

約数和(自身を含む): 435163680

約数和(自身を除く): 229447220

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 75079, 150158, 300316, 375395, 750790, 1501580, 10285823, 20571646, 41143292, 51429115, 102858230, 205716460]

約数ペア:

[(1, 205716460), (2, 102858230), (4, 51429115), (5, 41143292), (10, 20571646), (20, 10285823), (137, 1501580), (274, 750790), (548, 375395), (685, 300316), (1370, 150158), (2740, 75079)]