205695220

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{68111}}^1$

素因数の和:68271

約数の個数: 24

約数和(自身を含む): 434827008

約数和(自身を除く): 229131788

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 68111, 136222, 272444, 340555, 681110, 1362220, 10284761, 20569522, 41139044, 51423805, 102847610, 205695220]

約数ペア:

[(1, 205695220), (2, 102847610), (4, 51423805), (5, 41139044), (10, 20569522), (20, 10284761), (151, 1362220), (302, 681110), (604, 340555), (755, 272444), (1510, 136222), (3020, 68111)]