9981020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71293}}^1$

素因数の和:71309

約数の個数: 24

約数和(自身を含む): 23954784

約数和(自身を除く): 13973764

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71293, 142586, 285172, 356465, 499051, 712930, 998102, 1425860, 1996204, 2495255, 4990510, 9981020]

約数ペア:

[(1, 9981020), (2, 4990510), (4, 2495255), (5, 1996204), (7, 1425860), (10, 998102), (14, 712930), (20, 499051), (28, 356465), (35, 285172), (70, 142586), (140, 71293)]