1281140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{9151}}^1$

素因数の和:9167

約数の個数: 24

約数和(自身を含む): 3075072

約数和(自身を除く): 1793932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9151, 18302, 36604, 45755, 64057, 91510, 128114, 183020, 256228, 320285, 640570, 1281140]

約数ペア:

[(1, 1281140), (2, 640570), (4, 320285), (5, 256228), (7, 183020), (10, 128114), (14, 91510), (20, 64057), (28, 45755), (35, 36604), (70, 18302), (140, 9151)]