2921816660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20870119}}^1$

素因数の和:20870135

約数の個数: 24

約数和(自身を含む): 7012360320

約数和(自身を除く): 4090543660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20870119, 41740238, 83480476, 104350595, 146090833, 208701190, 292181666, 417402380, 584363332, 730454165, 1460908330, 2921816660]

約数ペア:

[(1, 2921816660), (2, 1460908330), (4, 730454165), (5, 584363332), (7, 417402380), (10, 292181666), (14, 208701190), (20, 146090833), (28, 104350595), (35, 83480476), (70, 41740238), (140, 20870119)]