210756980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1505407}}^1$

素因数の和:1505423

約数の個数: 24

約数和(自身を含む): 505817088

約数和(自身を除く): 295060108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1505407, 3010814, 6021628, 7527035, 10537849, 15054070, 21075698, 30108140, 42151396, 52689245, 105378490, 210756980]

約数ペア:

[(1, 210756980), (2, 105378490), (4, 52689245), (5, 42151396), (7, 30108140), (10, 21075698), (14, 15054070), (20, 10537849), (28, 7527035), (35, 6021628), (70, 3010814), (140, 1505407)]