201681620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1440583}}^1$

素因数の和:1440599

約数の個数: 24

約数和(自身を含む): 484036224

約数和(自身を除く): 282354604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1440583, 2881166, 5762332, 7202915, 10084081, 14405830, 20168162, 28811660, 40336324, 50420405, 100840810, 201681620]

約数ペア:

[(1, 201681620), (2, 100840810), (4, 50420405), (5, 40336324), (7, 28811660), (10, 20168162), (14, 14405830), (20, 10084081), (28, 7202915), (35, 5762332), (70, 2881166), (140, 1440583)]