30800000

素因数分解:

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

素因数の和:57

約数の個数: 192

約数和(自身を含む): 95618880

約数和(自身を除く): 64818880

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, 275, 280, 308, 320, 350, 352, 385, 400, 440, 448, 500, 550, 560, 616, 625, 640, 700, 704, 770, 800, 875, 880, 896, 1000, 1100, 1120, 1232, 1250, 1375, 1400, 1408, 1540, 1600, 1750, 1760, 1925, 2000, 2200, 2240, 2464, 2500, 2750, 2800, 3080, 3125, 3200, 3500, 3520, 3850, 4000, 4375, 4400, 4480, 4928, 5000, 5500, 5600, 6160, 6250, 6875, 7000, 7040, 7700, 8000, 8750, 8800, 9625, 9856, 10000, 11000, 11200, 12320, 12500, 13750, 14000, 15400, 16000, 17500, 17600, 19250, 20000, 21875, 22000, 22400, 24640, 25000, 27500, 28000, 30800, 34375, 35000, 35200, 38500, 40000, 43750, 44000, 48125, 49280, 50000, 55000, 56000, 61600, 68750, 70000, 77000, 80000, 87500, 88000, 96250, 100000, 110000, 112000, 123200, 137500, 140000, 154000, 175000, 176000, 192500, 200000, 220000, 240625, 246400, 275000, 280000, 308000, 350000, 385000, 400000, 440000, 481250, 550000, 560000, 616000, 700000, 770000, 880000, 962500, 1100000, 1232000, 1400000, 1540000, 1925000, 2200000, 2800000, 3080000, 3850000, 4400000, 6160000, 7700000, 15400000, 30800000]

約数ペア:

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