8490860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{60649}}^1$

素因数の和:60665

約数の個数: 24

約数和(自身を含む): 20378400

約数和(自身を除く): 11887540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 60649, 121298, 242596, 303245, 424543, 606490, 849086, 1212980, 1698172, 2122715, 4245430, 8490860]

約数ペア:

[(1, 8490860), (2, 4245430), (4, 2122715), (5, 1698172), (7, 1212980), (10, 849086), (14, 606490), (20, 424543), (28, 303245), (35, 242596), (70, 121298), (140, 60649)]