68771600

素因数分解:

$2^4\times 5^2\times {\mathrm{171929}}^1$

素因数の和:171947

約数の個数: 30

約数和(自身を含む): 165224730

約数和(自身を除く): 96453130

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 171929, 343858, 687716, 859645, 1375432, 1719290, 2750864, 3438580, 4298225, 6877160, 8596450, 13754320, 17192900, 34385800, 68771600]

約数ペア:

[(1, 68771600), (2, 34385800), (4, 17192900), (5, 13754320), (8, 8596450), (10, 6877160), (16, 4298225), (20, 3438580), (25, 2750864), (40, 1719290), (50, 1375432), (80, 859645), (100, 687716), (200, 343858), (400, 171929)]