126783860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{905599}}^1$

素因数の和:905615

約数の個数: 24

約数和(自身を含む): 304281600

約数和(自身を除く): 177497740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 905599, 1811198, 3622396, 4527995, 6339193, 9055990, 12678386, 18111980, 25356772, 31695965, 63391930, 126783860]

約数ペア:

[(1, 126783860), (2, 63391930), (4, 31695965), (5, 25356772), (7, 18111980), (10, 12678386), (14, 9055990), (20, 6339193), (28, 4527995), (35, 3622396), (70, 1811198), (140, 905599)]