51541000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 128

約数和(自身を含む): 142272000

約数和(自身を除く): 90731000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 100, 125, 140, 148, 175, 185, 199, 200, 250, 259, 280, 296, 350, 370, 398, 500, 518, 700, 740, 796, 875, 925, 995, 1000, 1036, 1295, 1393, 1400, 1480, 1592, 1750, 1850, 1990, 2072, 2590, 2786, 3500, 3700, 3980, 4625, 4975, 5180, 5572, 6475, 6965, 7000, 7363, 7400, 7960, 9250, 9950, 10360, 11144, 12950, 13930, 14726, 18500, 19900, 24875, 25900, 27860, 29452, 32375, 34825, 36815, 37000, 39800, 49750, 51541, 51800, 55720, 58904, 64750, 69650, 73630, 99500, 103082, 129500, 139300, 147260, 174125, 184075, 199000, 206164, 257705, 259000, 278600, 294520, 348250, 368150, 412328, 515410, 696500, 736300, 920375, 1030820, 1288525, 1393000, 1472600, 1840750, 2061640, 2577050, 3681500, 5154100, 6442625, 7363000, 10308200, 12885250, 25770500, 51541000]

約数ペア:

[(1, 51541000), (2, 25770500), (4, 12885250), (5, 10308200), (7, 7363000), (8, 6442625), (10, 5154100), (14, 3681500), (20, 2577050), (25, 2061640), (28, 1840750), (35, 1472600), (37, 1393000), (40, 1288525), (50, 1030820), (56, 920375), (70, 736300), (74, 696500), (100, 515410), (125, 412328), (140, 368150), (148, 348250), (175, 294520), (185, 278600), (199, 259000), (200, 257705), (250, 206164), (259, 199000), (280, 184075), (296, 174125), (350, 147260), (370, 139300), (398, 129500), (500, 103082), (518, 99500), (700, 73630), (740, 69650), (796, 64750), (875, 58904), (925, 55720), (995, 51800), (1000, 51541), (1036, 49750), (1295, 39800), (1393, 37000), (1400, 36815), (1480, 34825), (1592, 32375), (1750, 29452), (1850, 27860), (1990, 25900), (2072, 24875), (2590, 19900), (2786, 18500), (3500, 14726), (3700, 13930), (3980, 12950), (4625, 11144), (4975, 10360), (5180, 9950), (5572, 9250), (6475, 7960), (6965, 7400), (7000, 7363)]