215420575

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{3571}}^1$

素因数の和:3727

約数の個数: 24

約数和(自身を含む): 283473920

約数和(自身を除く): 68053345

約数列:

[1, 5, 19, 25, 95, 127, 475, 635, 2413, 3175, 3571, 12065, 17855, 60325, 67849, 89275, 339245, 453517, 1696225, 2267585, 8616823, 11337925, 43084115, 215420575]

約数ペア:

[(1, 215420575), (5, 43084115), (19, 11337925), (25, 8616823), (95, 2267585), (127, 1696225), (475, 453517), (635, 339245), (2413, 89275), (3175, 67849), (3571, 60325), (12065, 17855)]