259000000

素因数分解:

$2^6\times 5^6\times 7^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 196

約数和(自身を含む): 754052848

約数和(自身を除く): 495052848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 37, 40, 50, 56, 64, 70, 74, 80, 100, 112, 125, 140, 148, 160, 175, 185, 200, 224, 250, 259, 280, 296, 320, 350, 370, 400, 448, 500, 518, 560, 592, 625, 700, 740, 800, 875, 925, 1000, 1036, 1120, 1184, 1250, 1295, 1400, 1480, 1600, 1750, 1850, 2000, 2072, 2240, 2368, 2500, 2590, 2800, 2960, 3125, 3500, 3700, 4000, 4144, 4375, 4625, 5000, 5180, 5600, 5920, 6250, 6475, 7000, 7400, 8000, 8288, 8750, 9250, 10000, 10360, 11200, 11840, 12500, 12950, 14000, 14800, 15625, 16576, 17500, 18500, 20000, 20720, 21875, 23125, 25000, 25900, 28000, 29600, 31250, 32375, 35000, 37000, 40000, 41440, 43750, 46250, 50000, 51800, 56000, 59200, 62500, 64750, 70000, 74000, 82880, 87500, 92500, 100000, 103600, 109375, 115625, 125000, 129500, 140000, 148000, 161875, 175000, 185000, 200000, 207200, 218750, 231250, 250000, 259000, 280000, 296000, 323750, 350000, 370000, 414400, 437500, 462500, 500000, 518000, 578125, 647500, 700000, 740000, 809375, 875000, 925000, 1000000, 1036000, 1156250, 1295000, 1400000, 1480000, 1618750, 1750000, 1850000, 2072000, 2312500, 2590000, 3237500, 3500000, 3700000, 4046875, 4625000, 5180000, 6475000, 7000000, 7400000, 8093750, 9250000, 10360000, 12950000, 16187500, 18500000, 25900000, 32375000, 37000000, 51800000, 64750000, 129500000, 259000000]

約数ペア:

[(1, 259000000), (2, 129500000), (4, 64750000), (5, 51800000), (7, 37000000), (8, 32375000), (10, 25900000), (14, 18500000), (16, 16187500), (20, 12950000), (25, 10360000), (28, 9250000), (32, 8093750), (35, 7400000), (37, 7000000), (40, 6475000), (50, 5180000), (56, 4625000), (64, 4046875), (70, 3700000), (74, 3500000), (80, 3237500), (100, 2590000), (112, 2312500), (125, 2072000), (140, 1850000), (148, 1750000), (160, 1618750), (175, 1480000), (185, 1400000), (200, 1295000), (224, 1156250), (250, 1036000), (259, 1000000), (280, 925000), (296, 875000), (320, 809375), (350, 740000), (370, 700000), (400, 647500), (448, 578125), (500, 518000), (518, 500000), (560, 462500), (592, 437500), (625, 414400), (700, 370000), (740, 350000), (800, 323750), (875, 296000), (925, 280000), (1000, 259000), (1036, 250000), (1120, 231250), (1184, 218750), (1250, 207200), (1295, 200000), (1400, 185000), (1480, 175000), (1600, 161875), (1750, 148000), (1850, 140000), (2000, 129500), (2072, 125000), (2240, 115625), (2368, 109375), (2500, 103600), (2590, 100000), (2800, 92500), (2960, 87500), (3125, 82880), (3500, 74000), (3700, 70000), (4000, 64750), (4144, 62500), (4375, 59200), (4625, 56000), (5000, 51800), (5180, 50000), (5600, 46250), (5920, 43750), (6250, 41440), (6475, 40000), (7000, 37000), (7400, 35000), (8000, 32375), (8288, 31250), (8750, 29600), (9250, 28000), (10000, 25900), (10360, 25000), (11200, 23125), (11840, 21875), (12500, 20720), (12950, 20000), (14000, 18500), (14800, 17500), (15625, 16576)]