1227790280

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241691}}^1$

素因数の和:241829

約数の個数: 32

約数和(自身を含む): 2784291840

約数和(自身を除く): 1556501560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 241691, 483382, 966764, 1208455, 1933528, 2416910, 4833820, 9667640, 30694757, 61389514, 122779028, 153473785, 245558056, 306947570, 613895140, 1227790280]

約数ペア:

[(1, 1227790280), (2, 613895140), (4, 306947570), (5, 245558056), (8, 153473785), (10, 122779028), (20, 61389514), (40, 30694757), (127, 9667640), (254, 4833820), (508, 2416910), (635, 1933528), (1016, 1208455), (1270, 966764), (2540, 483382), (5080, 241691)]