9782780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{69877}}^1$

素因数の和:69893

約数の個数: 24

約数和(自身を含む): 23479008

約数和(自身を除く): 13696228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 69877, 139754, 279508, 349385, 489139, 698770, 978278, 1397540, 1956556, 2445695, 4891390, 9782780]

約数ペア:

[(1, 9782780), (2, 4891390), (4, 2445695), (5, 1956556), (7, 1397540), (10, 978278), (14, 698770), (20, 489139), (28, 349385), (35, 279508), (70, 139754), (140, 69877)]