3938000

素因数分解:

$2^4\times 5^3\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:213

約数の個数: 80

約数和(自身を含む): 10445760

約数和(自身を除く): 6507760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 179, 200, 220, 250, 275, 358, 400, 440, 500, 550, 716, 880, 895, 1000, 1100, 1375, 1432, 1790, 1969, 2000, 2200, 2750, 2864, 3580, 3938, 4400, 4475, 5500, 7160, 7876, 8950, 9845, 11000, 14320, 15752, 17900, 19690, 22000, 22375, 31504, 35800, 39380, 44750, 49225, 71600, 78760, 89500, 98450, 157520, 179000, 196900, 246125, 358000, 393800, 492250, 787600, 984500, 1969000, 3938000]

約数ペア:

[(1, 3938000), (2, 1969000), (4, 984500), (5, 787600), (8, 492250), (10, 393800), (11, 358000), (16, 246125), (20, 196900), (22, 179000), (25, 157520), (40, 98450), (44, 89500), (50, 78760), (55, 71600), (80, 49225), (88, 44750), (100, 39380), (110, 35800), (125, 31504), (176, 22375), (179, 22000), (200, 19690), (220, 17900), (250, 15752), (275, 14320), (358, 11000), (400, 9845), (440, 8950), (500, 7876), (550, 7160), (716, 5500), (880, 4475), (895, 4400), (1000, 3938), (1100, 3580), (1375, 2864), (1432, 2750), (1790, 2200), (1969, 2000)]