199600

素因数分解:

$2^4\times 5^2\times {\mathrm{499}}^1$

素因数の和:517

約数の個数: 30

約数和(自身を含む): 480500

約数和(自身を除く): 280900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 499, 998, 1996, 2495, 3992, 4990, 7984, 9980, 12475, 19960, 24950, 39920, 49900, 99800, 199600]

約数ペア:

[(1, 199600), (2, 99800), (4, 49900), (5, 39920), (8, 24950), (10, 19960), (16, 12475), (20, 9980), (25, 7984), (40, 4990), (50, 3992), (80, 2495), (100, 1996), (200, 998), (400, 499)]