1887880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{433}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 4296600

約数和(自身を除く): 2408720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 433, 436, 545, 866, 872, 1090, 1732, 2165, 2180, 3464, 4330, 4360, 8660, 17320, 47197, 94394, 188788, 235985, 377576, 471970, 943940, 1887880]

約数ペア:

[(1, 1887880), (2, 943940), (4, 471970), (5, 377576), (8, 235985), (10, 188788), (20, 94394), (40, 47197), (109, 17320), (218, 8660), (433, 4360), (436, 4330), (545, 3464), (866, 2180), (872, 2165), (1090, 1732)]