389621260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2783009}}^1$

素因数の和:2783025

約数の個数: 24

約数和(自身を含む): 935091360

約数和(自身を除く): 545470100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2783009, 5566018, 11132036, 13915045, 19481063, 27830090, 38962126, 55660180, 77924252, 97405315, 194810630, 389621260]

約数ペア:

[(1, 389621260), (2, 194810630), (4, 97405315), (5, 77924252), (7, 55660180), (10, 38962126), (14, 27830090), (20, 19481063), (28, 13915045), (35, 11132036), (70, 5566018), (140, 2783009)]