28292180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202087}}^1$

素因数の和:202103

約数の個数: 24

約数和(自身を含む): 67901568

約数和(自身を除く): 39609388

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202087, 404174, 808348, 1010435, 1414609, 2020870, 2829218, 4041740, 5658436, 7073045, 14146090, 28292180]

約数ペア:

[(1, 28292180), (2, 14146090), (4, 7073045), (5, 5658436), (7, 4041740), (10, 2829218), (14, 2020870), (20, 1414609), (28, 1010435), (35, 808348), (70, 404174), (140, 202087)]