10421740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{74441}}^1$

素因数の和:74457

約数の個数: 24

約数和(自身を含む): 25012512

約数和(自身を除く): 14590772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 74441, 148882, 297764, 372205, 521087, 744410, 1042174, 1488820, 2084348, 2605435, 5210870, 10421740]

約数ペア:

[(1, 10421740), (2, 5210870), (4, 2605435), (5, 2084348), (7, 1488820), (10, 1042174), (14, 744410), (20, 521087), (28, 372205), (35, 297764), (70, 148882), (140, 74441)]