16680550

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2239}}^1$

素因数の和:2400

約数の個数: 24

約数和(自身を含む): 31248000

約数和(自身を除く): 14567450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2239, 3725, 4478, 7450, 11195, 22390, 55975, 111950, 333611, 667222, 1668055, 3336110, 8340275, 16680550]

約数ペア:

[(1, 16680550), (2, 8340275), (5, 3336110), (10, 1668055), (25, 667222), (50, 333611), (149, 111950), (298, 55975), (745, 22390), (1490, 11195), (2239, 7450), (3725, 4478)]