391566140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2796901}}^1$

素因数の和:2796917

約数の個数: 24

約数和(自身を含む): 939759072

約数和(自身を除く): 548192932

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2796901, 5593802, 11187604, 13984505, 19578307, 27969010, 39156614, 55938020, 78313228, 97891535, 195783070, 391566140]

約数ペア:

[(1, 391566140), (2, 195783070), (4, 97891535), (5, 78313228), (7, 55938020), (10, 39156614), (14, 27969010), (20, 19578307), (28, 13984505), (35, 11187604), (70, 5593802), (140, 2796901)]