284900000

素因数分解:

$2^5\times 5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 288

約数和(自身を含む): 897692544

約数和(自身を除く): 612792544

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 25, 28, 32, 35, 37, 40, 44, 50, 55, 56, 70, 74, 77, 80, 88, 100, 110, 112, 125, 140, 148, 154, 160, 175, 176, 185, 200, 220, 224, 250, 259, 275, 280, 296, 308, 350, 352, 370, 385, 400, 407, 440, 500, 518, 550, 560, 592, 616, 625, 700, 740, 770, 800, 814, 875, 880, 925, 1000, 1036, 1100, 1120, 1184, 1232, 1250, 1295, 1375, 1400, 1480, 1540, 1628, 1750, 1760, 1850, 1925, 2000, 2035, 2072, 2200, 2464, 2500, 2590, 2750, 2800, 2849, 2960, 3080, 3125, 3256, 3500, 3700, 3850, 4000, 4070, 4144, 4375, 4400, 4625, 5000, 5180, 5500, 5600, 5698, 5920, 6160, 6250, 6475, 6512, 6875, 7000, 7400, 7700, 8140, 8288, 8750, 8800, 9250, 9625, 10000, 10175, 10360, 11000, 11396, 12320, 12500, 12950, 13024, 13750, 14000, 14245, 14800, 15400, 16280, 17500, 18500, 19250, 20000, 20350, 20720, 21875, 22000, 22792, 23125, 25000, 25900, 27500, 28000, 28490, 29600, 30800, 32375, 32560, 34375, 35000, 37000, 38500, 40700, 41440, 43750, 44000, 45584, 46250, 48125, 50000, 50875, 51800, 55000, 56980, 61600, 64750, 65120, 68750, 70000, 71225, 74000, 77000, 81400, 87500, 91168, 92500, 96250, 100000, 101750, 103600, 110000, 113960, 115625, 129500, 137500, 140000, 142450, 148000, 154000, 161875, 162800, 175000, 185000, 192500, 203500, 207200, 220000, 227920, 231250, 240625, 254375, 259000, 275000, 284900, 308000, 323750, 325600, 350000, 356125, 370000, 385000, 407000, 455840, 462500, 481250, 508750, 518000, 550000, 569800, 647500, 700000, 712250, 740000, 770000, 809375, 814000, 925000, 962500, 1017500, 1036000, 1100000, 1139600, 1271875, 1295000, 1424500, 1540000, 1618750, 1628000, 1780625, 1850000, 1925000, 2035000, 2279200, 2543750, 2590000, 2849000, 3237500, 3561250, 3700000, 3850000, 4070000, 5087500, 5180000, 5698000, 6475000, 7122500, 7700000, 8140000, 8903125, 10175000, 11396000, 12950000, 14245000, 17806250, 20350000, 25900000, 28490000, 35612500, 40700000, 56980000, 71225000, 142450000, 284900000]

約数ペア:

[(1, 284900000), (2, 142450000), (4, 71225000), (5, 56980000), (7, 40700000), (8, 35612500), (10, 28490000), (11, 25900000), (14, 20350000), (16, 17806250), (20, 14245000), (22, 12950000), (25, 11396000), (28, 10175000), (32, 8903125), (35, 8140000), (37, 7700000), (40, 7122500), (44, 6475000), (50, 5698000), (55, 5180000), (56, 5087500), (70, 4070000), (74, 3850000), (77, 3700000), (80, 3561250), (88, 3237500), (100, 2849000), (110, 2590000), (112, 2543750), (125, 2279200), (140, 2035000), (148, 1925000), (154, 1850000), (160, 1780625), (175, 1628000), (176, 1618750), (185, 1540000), (200, 1424500), (220, 1295000), (224, 1271875), (250, 1139600), (259, 1100000), (275, 1036000), (280, 1017500), (296, 962500), (308, 925000), (350, 814000), (352, 809375), (370, 770000), (385, 740000), (400, 712250), (407, 700000), (440, 647500), (500, 569800), (518, 550000), (550, 518000), (560, 508750), (592, 481250), (616, 462500), (625, 455840), (700, 407000), (740, 385000), (770, 370000), (800, 356125), (814, 350000), (875, 325600), (880, 323750), (925, 308000), (1000, 284900), (1036, 275000), (1100, 259000), (1120, 254375), (1184, 240625), (1232, 231250), (1250, 227920), (1295, 220000), (1375, 207200), (1400, 203500), (1480, 192500), (1540, 185000), (1628, 175000), (1750, 162800), (1760, 161875), (1850, 154000), (1925, 148000), (2000, 142450), (2035, 140000), (2072, 137500), (2200, 129500), (2464, 115625), (2500, 113960), (2590, 110000), (2750, 103600), (2800, 101750), (2849, 100000), (2960, 96250), (3080, 92500), (3125, 91168), (3256, 87500), (3500, 81400), (3700, 77000), (3850, 74000), (4000, 71225), (4070, 70000), (4144, 68750), (4375, 65120), (4400, 64750), (4625, 61600), (5000, 56980), (5180, 55000), (5500, 51800), (5600, 50875), (5698, 50000), (5920, 48125), (6160, 46250), (6250, 45584), (6475, 44000), (6512, 43750), (6875, 41440), (7000, 40700), (7400, 38500), (7700, 37000), (8140, 35000), (8288, 34375), (8750, 32560), (8800, 32375), (9250, 30800), (9625, 29600), (10000, 28490), (10175, 28000), (10360, 27500), (11000, 25900), (11396, 25000), (12320, 23125), (12500, 22792), (12950, 22000), (13024, 21875), (13750, 20720), (14000, 20350), (14245, 20000), (14800, 19250), (15400, 18500), (16280, 17500)]