57321740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{409441}}^1$

素因数の和:409457

約数の個数: 24

約数和(自身を含む): 137572512

約数和(自身を除く): 80250772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 409441, 818882, 1637764, 2047205, 2866087, 4094410, 5732174, 8188820, 11464348, 14330435, 28660870, 57321740]

約数ペア:

[(1, 57321740), (2, 28660870), (4, 14330435), (5, 11464348), (7, 8188820), (10, 5732174), (14, 4094410), (20, 2866087), (28, 2047205), (35, 1637764), (70, 818882), (140, 409441)]