289188620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2065633}}^1$

素因数の和:2065649

約数の個数: 24

約数和(自身を含む): 694053024

約数和(自身を除く): 404864404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2065633, 4131266, 8262532, 10328165, 14459431, 20656330, 28918862, 41312660, 57837724, 72297155, 144594310, 289188620]

約数ペア:

[(1, 289188620), (2, 144594310), (4, 72297155), (5, 57837724), (7, 41312660), (10, 28918862), (14, 20656330), (20, 14459431), (28, 10328165), (35, 8262532), (70, 4131266), (140, 2065633)]