1969000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 5054400

約数和(自身を除く): 3085400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 179, 200, 220, 250, 275, 358, 440, 500, 550, 716, 895, 1000, 1100, 1375, 1432, 1790, 1969, 2200, 2750, 3580, 3938, 4475, 5500, 7160, 7876, 8950, 9845, 11000, 15752, 17900, 19690, 22375, 35800, 39380, 44750, 49225, 78760, 89500, 98450, 179000, 196900, 246125, 393800, 492250, 984500, 1969000]

約数ペア:

[(1, 1969000), (2, 984500), (4, 492250), (5, 393800), (8, 246125), (10, 196900), (11, 179000), (20, 98450), (22, 89500), (25, 78760), (40, 49225), (44, 44750), (50, 39380), (55, 35800), (88, 22375), (100, 19690), (110, 17900), (125, 15752), (179, 11000), (200, 9845), (220, 8950), (250, 7876), (275, 7160), (358, 5500), (440, 4475), (500, 3938), (550, 3580), (716, 2750), (895, 2200), (1000, 1969), (1100, 1790), (1375, 1432)]