9998660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71419}}^1$

素因数の和:71435

約数の個数: 24

約数和(自身を含む): 23997120

約数和(自身を除く): 13998460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71419, 142838, 285676, 357095, 499933, 714190, 999866, 1428380, 1999732, 2499665, 4999330, 9998660]

約数ペア:

[(1, 9998660), (2, 4999330), (4, 2499665), (5, 1999732), (7, 1428380), (10, 999866), (14, 714190), (20, 499933), (28, 357095), (35, 285676), (70, 142838), (140, 71419)]