201616660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1440119}}^1$

素因数の和:1440135

約数の個数: 24

約数和(自身を含む): 483880320

約数和(自身を除く): 282263660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1440119, 2880238, 5760476, 7200595, 10080833, 14401190, 20161666, 28802380, 40323332, 50404165, 100808330, 201616660]

約数ペア:

[(1, 201616660), (2, 100808330), (4, 50404165), (5, 40323332), (7, 28802380), (10, 20161666), (14, 14401190), (20, 10080833), (28, 7200595), (35, 5760476), (70, 2880238), (140, 1440119)]