2011900210

素因数分解:

$2^1\times 5^1\times {\mathrm{2549}}^1\times {\mathrm{78929}}^1$

素因数の和:81485

約数の個数: 16

約数和(自身を含む): 3622887000

約数和(自身を除く): 1610986790

約数列:

[1, 2, 5, 10, 2549, 5098, 12745, 25490, 78929, 157858, 394645, 789290, 201190021, 402380042, 1005950105, 2011900210]

約数ペア:

[(1, 2011900210), (2, 1005950105), (5, 402380042), (10, 201190021), (2549, 789290), (5098, 394645), (12745, 157858), (25490, 78929)]