302540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2161}}^1$

素因数の和:2177

約数の個数: 24

約数和(自身を含む): 726432

約数和(自身を除く): 423892

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2161, 4322, 8644, 10805, 15127, 21610, 30254, 43220, 60508, 75635, 151270, 302540]

約数ペア:

[(1, 302540), (2, 151270), (4, 75635), (5, 60508), (7, 43220), (10, 30254), (14, 21610), (20, 15127), (28, 10805), (35, 8644), (70, 4322), (140, 2161)]