130431980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{931657}}^1$

素因数の和:931673

約数の個数: 24

約数和(自身を含む): 313037088

約数和(自身を除く): 182605108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 931657, 1863314, 3726628, 4658285, 6521599, 9316570, 13043198, 18633140, 26086396, 32607995, 65215990, 130431980]

約数ペア:

[(1, 130431980), (2, 65215990), (4, 32607995), (5, 26086396), (7, 18633140), (10, 13043198), (14, 9316570), (20, 6521599), (28, 4658285), (35, 3726628), (70, 1863314), (140, 931657)]