1885400

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{857}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 4787640

約数和(自身を除く): 2902240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 857, 1100, 1714, 2200, 3428, 4285, 6856, 8570, 9427, 17140, 18854, 21425, 34280, 37708, 42850, 47135, 75416, 85700, 94270, 171400, 188540, 235675, 377080, 471350, 942700, 1885400]

約数ペア:

[(1, 1885400), (2, 942700), (4, 471350), (5, 377080), (8, 235675), (10, 188540), (11, 171400), (20, 94270), (22, 85700), (25, 75416), (40, 47135), (44, 42850), (50, 37708), (55, 34280), (88, 21425), (100, 18854), (110, 17140), (200, 9427), (220, 8570), (275, 6856), (440, 4285), (550, 3428), (857, 2200), (1100, 1714)]