3940900

素因数分解:

$2^2\times 5^2\times {\mathrm{39409}}^1$

素因数の和:39423

約数の個数: 18

約数和(自身を含む): 8551970

約数和(自身を除く): 4611070

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 39409, 78818, 157636, 197045, 394090, 788180, 985225, 1970450, 3940900]

約数ペア:

[(1, 3940900), (2, 1970450), (4, 985225), (5, 788180), (10, 394090), (20, 197045), (25, 157636), (50, 78818), (100, 39409)]