68739220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{312451}}^1$

素因数の和:312471

約数の個数: 24

約数和(自身を含む): 157475808

約数和(自身を除く): 88736588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 312451, 624902, 1249804, 1562255, 3124510, 3436961, 6249020, 6873922, 13747844, 17184805, 34369610, 68739220]

約数ペア:

[(1, 68739220), (2, 34369610), (4, 17184805), (5, 13747844), (10, 6873922), (11, 6249020), (20, 3436961), (22, 3124510), (44, 1562255), (55, 1249804), (110, 624902), (220, 312451)]