770000000

素因数分解:

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

素因数の和:67

約数の個数: 256

約数和(自身を含む): 2390618880

約数和(自身を除く): 1620618880

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, 15625, 16000, 17500, 17600, 19250, 20000, 21875, 22000, 22400, 24640, 25000, 27500, 28000, 30800, 31250, 34375, 35000, 35200, 38500, 40000, 43750, 44000, 48125, 49280, 50000, 55000, 56000, 61600, 62500, 68750, 70000, 77000, 78125, 80000, 87500, 88000, 96250, 100000, 109375, 110000, 112000, 123200, 125000, 137500, 140000, 154000, 156250, 171875, 175000, 176000, 192500, 200000, 218750, 220000, 240625, 246400, 250000, 275000, 280000, 308000, 312500, 343750, 350000, 385000, 400000, 437500, 440000, 481250, 500000, 546875, 550000, 560000, 616000, 625000, 687500, 700000, 770000, 859375, 875000, 880000, 962500, 1000000, 1093750, 1100000, 1203125, 1232000, 1250000, 1375000, 1400000, 1540000, 1718750, 1750000, 1925000, 2000000, 2187500, 2200000, 2406250, 2500000, 2750000, 2800000, 3080000, 3437500, 3500000, 3850000, 4375000, 4400000, 4812500, 5000000, 5500000, 6015625, 6160000, 6875000, 7000000, 7700000, 8750000, 9625000, 10000000, 11000000, 12031250, 13750000, 14000000, 15400000, 17500000, 19250000, 22000000, 24062500, 27500000, 30800000, 35000000, 38500000, 48125000, 55000000, 70000000, 77000000, 96250000, 110000000, 154000000, 192500000, 385000000, 770000000]

約数ペア:

[(1, 770000000), (2, 385000000), (4, 192500000), (5, 154000000), (7, 110000000), (8, 96250000), (10, 77000000), (11, 70000000), (14, 55000000), (16, 48125000), (20, 38500000), (22, 35000000), (25, 30800000), (28, 27500000), (32, 24062500), (35, 22000000), (40, 19250000), (44, 17500000), (50, 15400000), (55, 14000000), (56, 13750000), (64, 12031250), (70, 11000000), (77, 10000000), (80, 9625000), (88, 8750000), (100, 7700000), (110, 7000000), (112, 6875000), (125, 6160000), (128, 6015625), (140, 5500000), (154, 5000000), (160, 4812500), (175, 4400000), (176, 4375000), (200, 3850000), (220, 3500000), (224, 3437500), (250, 3080000), (275, 2800000), (280, 2750000), (308, 2500000), (320, 2406250), (350, 2200000), (352, 2187500), (385, 2000000), (400, 1925000), (440, 1750000), (448, 1718750), (500, 1540000), (550, 1400000), (560, 1375000), (616, 1250000), (625, 1232000), (640, 1203125), (700, 1100000), (704, 1093750), (770, 1000000), (800, 962500), (875, 880000), (880, 875000), (896, 859375), (1000, 770000), (1100, 700000), (1120, 687500), (1232, 625000), (1250, 616000), (1375, 560000), (1400, 550000), (1408, 546875), (1540, 500000), (1600, 481250), (1750, 440000), (1760, 437500), (1925, 400000), (2000, 385000), (2200, 350000), (2240, 343750), (2464, 312500), (2500, 308000), (2750, 280000), (2800, 275000), (3080, 250000), (3125, 246400), (3200, 240625), (3500, 220000), (3520, 218750), (3850, 200000), (4000, 192500), (4375, 176000), (4400, 175000), (4480, 171875), (4928, 156250), (5000, 154000), (5500, 140000), (5600, 137500), (6160, 125000), (6250, 123200), (6875, 112000), (7000, 110000), (7040, 109375), (7700, 100000), (8000, 96250), (8750, 88000), (8800, 87500), (9625, 80000), (9856, 78125), (10000, 77000), (11000, 70000), (11200, 68750), (12320, 62500), (12500, 61600), (13750, 56000), (14000, 55000), (15400, 50000), (15625, 49280), (16000, 48125), (17500, 44000), (17600, 43750), (19250, 40000), (20000, 38500), (21875, 35200), (22000, 35000), (22400, 34375), (24640, 31250), (25000, 30800), (27500, 28000)]