387746232020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2769615943}}^1$

素因数の和:2769615959

約数の個数: 24

約数和(自身を含む): 930590957184

約数和(自身を除く): 542844725164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2769615943, 5539231886, 11078463772, 13848079715, 19387311601, 27696159430, 38774623202, 55392318860, 77549246404, 96936558005, 193873116010, 387746232020]

約数ペア:

[(1, 387746232020), (2, 193873116010), (4, 96936558005), (5, 77549246404), (7, 55392318860), (10, 38774623202), (14, 27696159430), (20, 19387311601), (28, 13848079715), (35, 11078463772), (70, 5539231886), (140, 2769615943)]