90207740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{644341}}^1$

素因数の和:644357

約数の個数: 24

約数和(自身を含む): 216498912

約数和(自身を除く): 126291172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 644341, 1288682, 2577364, 3221705, 4510387, 6443410, 9020774, 12886820, 18041548, 22551935, 45103870, 90207740]

約数ペア:

[(1, 90207740), (2, 45103870), (4, 22551935), (5, 18041548), (7, 12886820), (10, 9020774), (14, 6443410), (20, 4510387), (28, 3221705), (35, 2577364), (70, 1288682), (140, 644341)]