2156000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{11}}^1$

素因数の和:50

約数の個数: 144

約数和(自身を含む): 6722352

約数和(自身を除く): 4566352

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 49, 50, 55, 56, 70, 77, 80, 88, 98, 100, 110, 112, 125, 140, 154, 160, 175, 176, 196, 200, 220, 224, 245, 250, 275, 280, 308, 350, 352, 385, 392, 400, 440, 490, 500, 539, 550, 560, 616, 700, 770, 784, 800, 875, 880, 980, 1000, 1078, 1100, 1120, 1225, 1232, 1375, 1400, 1540, 1568, 1750, 1760, 1925, 1960, 2000, 2156, 2200, 2450, 2464, 2695, 2750, 2800, 3080, 3500, 3850, 3920, 4000, 4312, 4400, 4900, 5390, 5500, 5600, 6125, 6160, 7000, 7700, 7840, 8624, 8800, 9625, 9800, 10780, 11000, 12250, 12320, 13475, 14000, 15400, 17248, 19250, 19600, 21560, 22000, 24500, 26950, 28000, 30800, 38500, 39200, 43120, 44000, 49000, 53900, 61600, 67375, 77000, 86240, 98000, 107800, 134750, 154000, 196000, 215600, 269500, 308000, 431200, 539000, 1078000, 2156000]

約数ペア:

[(1, 2156000), (2, 1078000), (4, 539000), (5, 431200), (7, 308000), (8, 269500), (10, 215600), (11, 196000), (14, 154000), (16, 134750), (20, 107800), (22, 98000), (25, 86240), (28, 77000), (32, 67375), (35, 61600), (40, 53900), (44, 49000), (49, 44000), (50, 43120), (55, 39200), (56, 38500), (70, 30800), (77, 28000), (80, 26950), (88, 24500), (98, 22000), (100, 21560), (110, 19600), (112, 19250), (125, 17248), (140, 15400), (154, 14000), (160, 13475), (175, 12320), (176, 12250), (196, 11000), (200, 10780), (220, 9800), (224, 9625), (245, 8800), (250, 8624), (275, 7840), (280, 7700), (308, 7000), (350, 6160), (352, 6125), (385, 5600), (392, 5500), (400, 5390), (440, 4900), (490, 4400), (500, 4312), (539, 4000), (550, 3920), (560, 3850), (616, 3500), (700, 3080), (770, 2800), (784, 2750), (800, 2695), (875, 2464), (880, 2450), (980, 2200), (1000, 2156), (1078, 2000), (1100, 1960), (1120, 1925), (1225, 1760), (1232, 1750), (1375, 1568), (1400, 1540)]