28341740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{202441}}^1$

素因数の和:202457

約数の個数: 24

約数和(自身を含む): 68020512

約数和(自身を除く): 39678772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 202441, 404882, 809764, 1012205, 1417087, 2024410, 2834174, 4048820, 5668348, 7085435, 14170870, 28341740]

約数ペア:

[(1, 28341740), (2, 14170870), (4, 7085435), (5, 5668348), (7, 4048820), (10, 2834174), (14, 2024410), (20, 1417087), (28, 1012205), (35, 809764), (70, 404882), (140, 202441)]