215600000

素因数分解:

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

素因数の和:64

約数の個数: 288

約数和(自身を含む): 681284520

約数和(自身を除く): 465684520

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, 64, 70, 77, 80, 88, 98, 100, 110, 112, 125, 128, 140, 154, 160, 175, 176, 196, 200, 220, 224, 245, 250, 275, 280, 308, 320, 350, 352, 385, 392, 400, 440, 448, 490, 500, 539, 550, 560, 616, 625, 640, 700, 704, 770, 784, 800, 875, 880, 896, 980, 1000, 1078, 1100, 1120, 1225, 1232, 1250, 1375, 1400, 1408, 1540, 1568, 1600, 1750, 1760, 1925, 1960, 2000, 2156, 2200, 2240, 2450, 2464, 2500, 2695, 2750, 2800, 3080, 3125, 3136, 3200, 3500, 3520, 3850, 3920, 4000, 4312, 4375, 4400, 4480, 4900, 4928, 5000, 5390, 5500, 5600, 6125, 6160, 6250, 6272, 6875, 7000, 7040, 7700, 7840, 8000, 8624, 8750, 8800, 9625, 9800, 9856, 10000, 10780, 11000, 11200, 12250, 12320, 12500, 13475, 13750, 14000, 15400, 15680, 16000, 17248, 17500, 17600, 19250, 19600, 20000, 21560, 21875, 22000, 22400, 24500, 24640, 25000, 26950, 27500, 28000, 30625, 30800, 31360, 34375, 34496, 35000, 35200, 38500, 39200, 40000, 43120, 43750, 44000, 48125, 49000, 49280, 50000, 53900, 55000, 56000, 61250, 61600, 67375, 68750, 68992, 70000, 77000, 78400, 80000, 86240, 87500, 88000, 96250, 98000, 100000, 107800, 110000, 112000, 122500, 123200, 134750, 137500, 140000, 153125, 154000, 156800, 172480, 175000, 176000, 192500, 196000, 200000, 215600, 220000, 240625, 245000, 246400, 269500, 275000, 280000, 306250, 308000, 336875, 344960, 350000, 385000, 392000, 400000, 431200, 440000, 481250, 490000, 539000, 550000, 560000, 612500, 616000, 673750, 700000, 770000, 784000, 862400, 880000, 962500, 980000, 1078000, 1100000, 1225000, 1232000, 1347500, 1400000, 1540000, 1684375, 1724800, 1925000, 1960000, 2156000, 2200000, 2450000, 2695000, 2800000, 3080000, 3368750, 3850000, 3920000, 4312000, 4400000, 4900000, 5390000, 6160000, 6737500, 7700000, 8624000, 9800000, 10780000, 13475000, 15400000, 19600000, 21560000, 26950000, 30800000, 43120000, 53900000, 107800000, 215600000]

約数ペア:

[(1, 215600000), (2, 107800000), (4, 53900000), (5, 43120000), (7, 30800000), (8, 26950000), (10, 21560000), (11, 19600000), (14, 15400000), (16, 13475000), (20, 10780000), (22, 9800000), (25, 8624000), (28, 7700000), (32, 6737500), (35, 6160000), (40, 5390000), (44, 4900000), (49, 4400000), (50, 4312000), (55, 3920000), (56, 3850000), (64, 3368750), (70, 3080000), (77, 2800000), (80, 2695000), (88, 2450000), (98, 2200000), (100, 2156000), (110, 1960000), (112, 1925000), (125, 1724800), (128, 1684375), (140, 1540000), (154, 1400000), (160, 1347500), (175, 1232000), (176, 1225000), (196, 1100000), (200, 1078000), (220, 980000), (224, 962500), (245, 880000), (250, 862400), (275, 784000), (280, 770000), (308, 700000), (320, 673750), (350, 616000), (352, 612500), (385, 560000), (392, 550000), (400, 539000), (440, 490000), (448, 481250), (490, 440000), (500, 431200), (539, 400000), (550, 392000), (560, 385000), (616, 350000), (625, 344960), (640, 336875), (700, 308000), (704, 306250), (770, 280000), (784, 275000), (800, 269500), (875, 246400), (880, 245000), (896, 240625), (980, 220000), (1000, 215600), (1078, 200000), (1100, 196000), (1120, 192500), (1225, 176000), (1232, 175000), (1250, 172480), (1375, 156800), (1400, 154000), (1408, 153125), (1540, 140000), (1568, 137500), (1600, 134750), (1750, 123200), (1760, 122500), (1925, 112000), (1960, 110000), (2000, 107800), (2156, 100000), (2200, 98000), (2240, 96250), (2450, 88000), (2464, 87500), (2500, 86240), (2695, 80000), (2750, 78400), (2800, 77000), (3080, 70000), (3125, 68992), (3136, 68750), (3200, 67375), (3500, 61600), (3520, 61250), (3850, 56000), (3920, 55000), (4000, 53900), (4312, 50000), (4375, 49280), (4400, 49000), (4480, 48125), (4900, 44000), (4928, 43750), (5000, 43120), (5390, 40000), (5500, 39200), (5600, 38500), (6125, 35200), (6160, 35000), (6250, 34496), (6272, 34375), (6875, 31360), (7000, 30800), (7040, 30625), (7700, 28000), (7840, 27500), (8000, 26950), (8624, 25000), (8750, 24640), (8800, 24500), (9625, 22400), (9800, 22000), (9856, 21875), (10000, 21560), (10780, 20000), (11000, 19600), (11200, 19250), (12250, 17600), (12320, 17500), (12500, 17248), (13475, 16000), (13750, 15680), (14000, 15400)]