228345940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{160807}}^1$

素因数の和:160887

約数の個数: 24

約数和(自身を含む): 486283392

約数和(自身を除く): 257937452

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 160807, 321614, 643228, 804035, 1608070, 3216140, 11417297, 22834594, 45669188, 57086485, 114172970, 228345940]

約数ペア:

[(1, 228345940), (2, 114172970), (4, 57086485), (5, 45669188), (10, 22834594), (20, 11417297), (71, 3216140), (142, 1608070), (284, 804035), (355, 643228), (710, 321614), (1420, 160807)]