1942780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13877}}^1$

素因数の和:13893

約数の個数: 24

約数和(自身を含む): 4663008

約数和(自身を除く): 2720228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 13877, 27754, 55508, 69385, 97139, 138770, 194278, 277540, 388556, 485695, 971390, 1942780]

約数ペア:

[(1, 1942780), (2, 971390), (4, 485695), (5, 388556), (7, 277540), (10, 194278), (14, 138770), (20, 97139), (28, 69385), (35, 55508), (70, 27754), (140, 13877)]