542780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3877}}^1$

素因数の和:3893

約数の個数: 24

約数和(自身を含む): 1303008

約数和(自身を除く): 760228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3877, 7754, 15508, 19385, 27139, 38770, 54278, 77540, 108556, 135695, 271390, 542780]

約数ペア:

[(1, 542780), (2, 271390), (4, 135695), (5, 108556), (7, 77540), (10, 54278), (14, 38770), (20, 27139), (28, 19385), (35, 15508), (70, 7754), (140, 3877)]