111490180

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{28297}}^1$

素因数の和:28503

約数の個数: 24

約数和(自身を含む): 235326168

約数和(自身を除く): 123835988

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 28297, 56594, 113188, 141485, 282970, 565940, 5574509, 11149018, 22298036, 27872545, 55745090, 111490180]

約数ペア:

[(1, 111490180), (2, 55745090), (4, 27872545), (5, 22298036), (10, 11149018), (20, 5574509), (197, 565940), (394, 282970), (788, 141485), (985, 113188), (1970, 56594), (3940, 28297)]