1889800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{859}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 4798800

約数和(自身を除く): 2909000

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, 859, 1100, 1718, 2200, 3436, 4295, 6872, 8590, 9449, 17180, 18898, 21475, 34360, 37796, 42950, 47245, 75592, 85900, 94490, 171800, 188980, 236225, 377960, 472450, 944900, 1889800]

約数ペア:

[(1, 1889800), (2, 944900), (4, 472450), (5, 377960), (8, 236225), (10, 188980), (11, 171800), (20, 94490), (22, 85900), (25, 75592), (40, 47245), (44, 42950), (50, 37796), (55, 34360), (88, 21475), (100, 18898), (110, 17180), (200, 9449), (220, 8590), (275, 6872), (440, 4295), (550, 3436), (859, 2200), (1100, 1718)]