549220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{3923}}^1$

素因数の和:3939

約数の個数: 24

約数和(自身を含む): 1318464

約数和(自身を除く): 769244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 3923, 7846, 15692, 19615, 27461, 39230, 54922, 78460, 109844, 137305, 274610, 549220]

約数ペア:

[(1, 549220), (2, 274610), (4, 137305), (5, 109844), (7, 78460), (10, 54922), (14, 39230), (20, 27461), (28, 19615), (35, 15692), (70, 7846), (140, 3923)]