7990225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 10445760

約数和(自身を除く): 2455535

約数列:

[1, 5, 25, 29, 103, 107, 145, 515, 535, 725, 2575, 2675, 2987, 3103, 11021, 14935, 15515, 55105, 74675, 77575, 275525, 319609, 1598045, 7990225]

約数ペア:

[(1, 7990225), (5, 1598045), (25, 319609), (29, 275525), (103, 77575), (107, 74675), (145, 55105), (515, 15515), (535, 14935), (725, 11021), (2575, 3103), (2675, 2987)]