209225870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{72901}}^1$

素因数の和:72956

約数の個数: 32

約数和(自身を含む): 440911296

約数和(自身を除く): 231685426

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 1435, 2870, 72901, 145802, 364505, 510307, 729010, 1020614, 2551535, 2988941, 5103070, 5977882, 14944705, 20922587, 29889410, 41845174, 104612935, 209225870]

約数ペア:

[(1, 209225870), (2, 104612935), (5, 41845174), (7, 29889410), (10, 20922587), (14, 14944705), (35, 5977882), (41, 5103070), (70, 2988941), (82, 2551535), (205, 1020614), (287, 729010), (410, 510307), (574, 364505), (1435, 145802), (2870, 72901)]