9987740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71341}}^1$

素因数の和:71357

約数の個数: 24

約数和(自身を含む): 23970912

約数和(自身を除く): 13983172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71341, 142682, 285364, 356705, 499387, 713410, 998774, 1426820, 1997548, 2496935, 4993870, 9987740]

約数ペア:

[(1, 9987740), (2, 4993870), (4, 2496935), (5, 1997548), (7, 1426820), (10, 998774), (14, 713410), (20, 499387), (28, 356705), (35, 285364), (70, 142682), (140, 71341)]