219818090

素因数分解:

$2^1\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{15601}}^1$

素因数の和:17017

約数の個数: 16

約数和(自身を含む): 395978760

約数和(自身を除く): 176160670

約数列:

[1, 2, 5, 10, 1409, 2818, 7045, 14090, 15601, 31202, 78005, 156010, 21981809, 43963618, 109909045, 219818090]

約数ペア:

[(1, 219818090), (2, 109909045), (5, 43963618), (10, 21981809), (1409, 156010), (2818, 78005), (7045, 31202), (14090, 15601)]