2851660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{20369}}^1$

素因数の和:20385

約数の個数: 24

約数和(自身を含む): 6844320

約数和(自身を除く): 3992660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 20369, 40738, 81476, 101845, 142583, 203690, 285166, 407380, 570332, 712915, 1425830, 2851660]

約数ペア:

[(1, 2851660), (2, 1425830), (4, 712915), (5, 570332), (7, 407380), (10, 285166), (14, 203690), (20, 142583), (28, 101845), (35, 81476), (70, 40738), (140, 20369)]