2987740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{21341}}^1$

素因数の和:21357

約数の個数: 24

約数和(自身を含む): 7170912

約数和(自身を除く): 4183172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 21341, 42682, 85364, 106705, 149387, 213410, 298774, 426820, 597548, 746935, 1493870, 2987740]

約数ペア:

[(1, 2987740), (2, 1493870), (4, 746935), (5, 597548), (7, 426820), (10, 298774), (14, 213410), (20, 149387), (28, 106705), (35, 85364), (70, 42682), (140, 21341)]