123200000

素因数分解:

$2^9\times 5^5\times 7^1\times {\mathrm{11}}^1$

素因数の和:61

約数の個数: 240

約数和(自身を含む): 383600448

約数和(自身を除く): 260400448

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 40, 44, 50, 55, 56, 64, 70, 77, 80, 88, 100, 110, 112, 125, 128, 140, 154, 160, 175, 176, 200, 220, 224, 250, 256, 275, 280, 308, 320, 350, 352, 385, 400, 440, 448, 500, 512, 550, 560, 616, 625, 640, 700, 704, 770, 800, 875, 880, 896, 1000, 1100, 1120, 1232, 1250, 1280, 1375, 1400, 1408, 1540, 1600, 1750, 1760, 1792, 1925, 2000, 2200, 2240, 2464, 2500, 2560, 2750, 2800, 2816, 3080, 3125, 3200, 3500, 3520, 3584, 3850, 4000, 4375, 4400, 4480, 4928, 5000, 5500, 5600, 5632, 6160, 6250, 6400, 6875, 7000, 7040, 7700, 8000, 8750, 8800, 8960, 9625, 9856, 10000, 11000, 11200, 12320, 12500, 12800, 13750, 14000, 14080, 15400, 16000, 17500, 17600, 17920, 19250, 19712, 20000, 21875, 22000, 22400, 24640, 25000, 27500, 28000, 28160, 30800, 32000, 34375, 35000, 35200, 38500, 39424, 40000, 43750, 44000, 44800, 48125, 49280, 50000, 55000, 56000, 61600, 64000, 68750, 70000, 70400, 77000, 80000, 87500, 88000, 89600, 96250, 98560, 100000, 110000, 112000, 123200, 137500, 140000, 140800, 154000, 160000, 175000, 176000, 192500, 197120, 200000, 220000, 224000, 240625, 246400, 275000, 280000, 308000, 320000, 350000, 352000, 385000, 400000, 440000, 448000, 481250, 492800, 550000, 560000, 616000, 700000, 704000, 770000, 800000, 880000, 962500, 985600, 1100000, 1120000, 1232000, 1400000, 1540000, 1600000, 1760000, 1925000, 2200000, 2240000, 2464000, 2800000, 3080000, 3520000, 3850000, 4400000, 4928000, 5600000, 6160000, 7700000, 8800000, 11200000, 12320000, 15400000, 17600000, 24640000, 30800000, 61600000, 123200000]

約数ペア:

[(1, 123200000), (2, 61600000), (4, 30800000), (5, 24640000), (7, 17600000), (8, 15400000), (10, 12320000), (11, 11200000), (14, 8800000), (16, 7700000), (20, 6160000), (22, 5600000), (25, 4928000), (28, 4400000), (32, 3850000), (35, 3520000), (40, 3080000), (44, 2800000), (50, 2464000), (55, 2240000), (56, 2200000), (64, 1925000), (70, 1760000), (77, 1600000), (80, 1540000), (88, 1400000), (100, 1232000), (110, 1120000), (112, 1100000), (125, 985600), (128, 962500), (140, 880000), (154, 800000), (160, 770000), (175, 704000), (176, 700000), (200, 616000), (220, 560000), (224, 550000), (250, 492800), (256, 481250), (275, 448000), (280, 440000), (308, 400000), (320, 385000), (350, 352000), (352, 350000), (385, 320000), (400, 308000), (440, 280000), (448, 275000), (500, 246400), (512, 240625), (550, 224000), (560, 220000), (616, 200000), (625, 197120), (640, 192500), (700, 176000), (704, 175000), (770, 160000), (800, 154000), (875, 140800), (880, 140000), (896, 137500), (1000, 123200), (1100, 112000), (1120, 110000), (1232, 100000), (1250, 98560), (1280, 96250), (1375, 89600), (1400, 88000), (1408, 87500), (1540, 80000), (1600, 77000), (1750, 70400), (1760, 70000), (1792, 68750), (1925, 64000), (2000, 61600), (2200, 56000), (2240, 55000), (2464, 50000), (2500, 49280), (2560, 48125), (2750, 44800), (2800, 44000), (2816, 43750), (3080, 40000), (3125, 39424), (3200, 38500), (3500, 35200), (3520, 35000), (3584, 34375), (3850, 32000), (4000, 30800), (4375, 28160), (4400, 28000), (4480, 27500), (4928, 25000), (5000, 24640), (5500, 22400), (5600, 22000), (5632, 21875), (6160, 20000), (6250, 19712), (6400, 19250), (6875, 17920), (7000, 17600), (7040, 17500), (7700, 16000), (8000, 15400), (8750, 14080), (8800, 14000), (8960, 13750), (9625, 12800), (9856, 12500), (10000, 12320), (11000, 11200)]