201813220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1441523}}^1$

素因数の和:1441539

約数の個数: 24

約数和(自身を含む): 484352064

約数和(自身を除く): 282538844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1441523, 2883046, 5766092, 7207615, 10090661, 14415230, 20181322, 28830460, 40362644, 50453305, 100906610, 201813220]

約数ペア:

[(1, 201813220), (2, 100906610), (4, 50453305), (5, 40362644), (7, 28830460), (10, 20181322), (14, 14415230), (20, 10090661), (28, 7207615), (35, 5766092), (70, 2883046), (140, 1441523)]