196199600

素因数分解:

$2^4\times 5^2\times {\mathrm{490499}}^1$

素因数の和:490517

約数の個数: 30

約数和(自身を含む): 471370500

約数和(自身を除く): 275170900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 490499, 980998, 1961996, 2452495, 3923992, 4904990, 7847984, 9809980, 12262475, 19619960, 24524950, 39239920, 49049900, 98099800, 196199600]

約数ペア:

[(1, 196199600), (2, 98099800), (4, 49049900), (5, 39239920), (8, 24524950), (10, 19619960), (16, 12262475), (20, 9809980), (25, 7847984), (40, 4904990), (50, 3923992), (80, 2452495), (100, 1961996), (200, 980998), (400, 490499)]