202078910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{919}}^1\times {\mathrm{1999}}^1$

素因数の和:2936

約数の個数: 32

約数和(自身を含む): 397440000

約数和(自身を除く): 195361090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 919, 1838, 1999, 3998, 4595, 9190, 9995, 10109, 19990, 20218, 21989, 43978, 50545, 101090, 109945, 219890, 1837081, 3674162, 9185405, 18370810, 20207891, 40415782, 101039455, 202078910]

約数ペア:

[(1, 202078910), (2, 101039455), (5, 40415782), (10, 20207891), (11, 18370810), (22, 9185405), (55, 3674162), (110, 1837081), (919, 219890), (1838, 109945), (1999, 101090), (3998, 50545), (4595, 43978), (9190, 21989), (9995, 20218), (10109, 19990)]