78118180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557987}}^1$

素因数の和:558003

約数の個数: 24

約数和(自身を含む): 187483968

約数和(自身を除く): 109365788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557987, 1115974, 2231948, 2789935, 3905909, 5579870, 7811818, 11159740, 15623636, 19529545, 39059090, 78118180]

約数ペア:

[(1, 78118180), (2, 39059090), (4, 19529545), (5, 15623636), (7, 11159740), (10, 7811818), (14, 5579870), (20, 3905909), (28, 2789935), (35, 2231948), (70, 1115974), (140, 557987)]