200392780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1431377}}^1$

素因数の和:1431393

約数の個数: 24

約数和(自身を含む): 480943008

約数和(自身を除く): 280550228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1431377, 2862754, 5725508, 7156885, 10019639, 14313770, 20039278, 28627540, 40078556, 50098195, 100196390, 200392780]

約数ペア:

[(1, 200392780), (2, 100196390), (4, 50098195), (5, 40078556), (7, 28627540), (10, 20039278), (14, 14313770), (20, 10019639), (28, 7156885), (35, 5725508), (70, 2862754), (140, 1431377)]