2721740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19441}}^1$

素因数の和:19457

約数の個数: 24

約数和(自身を含む): 6532512

約数和(自身を除く): 3810772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 19441, 38882, 77764, 97205, 136087, 194410, 272174, 388820, 544348, 680435, 1360870, 2721740]

約数ペア:

[(1, 2721740), (2, 1360870), (4, 680435), (5, 544348), (7, 388820), (10, 272174), (14, 194410), (20, 136087), (28, 97205), (35, 77764), (70, 38882), (140, 19441)]