129638180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{925987}}^1$

素因数の和:926003

約数の個数: 24

約数和(自身を含む): 311131968

約数和(自身を除く): 181493788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 925987, 1851974, 3703948, 4629935, 6481909, 9259870, 12963818, 18519740, 25927636, 32409545, 64819090, 129638180]

約数ペア:

[(1, 129638180), (2, 64819090), (4, 32409545), (5, 25927636), (7, 18519740), (10, 12963818), (14, 9259870), (20, 6481909), (28, 4629935), (35, 3703948), (70, 1851974), (140, 925987)]