49987000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 128

約数和(自身を含む): 138003840

約数和(自身を除く): 88016840

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, 193, 200, 250, 259, 280, 296, 350, 370, 386, 500, 518, 700, 740, 772, 875, 925, 965, 1000, 1036, 1295, 1351, 1400, 1480, 1544, 1750, 1850, 1930, 2072, 2590, 2702, 3500, 3700, 3860, 4625, 4825, 5180, 5404, 6475, 6755, 7000, 7141, 7400, 7720, 9250, 9650, 10360, 10808, 12950, 13510, 14282, 18500, 19300, 24125, 25900, 27020, 28564, 32375, 33775, 35705, 37000, 38600, 48250, 49987, 51800, 54040, 57128, 64750, 67550, 71410, 96500, 99974, 129500, 135100, 142820, 168875, 178525, 193000, 199948, 249935, 259000, 270200, 285640, 337750, 357050, 399896, 499870, 675500, 714100, 892625, 999740, 1249675, 1351000, 1428200, 1785250, 1999480, 2499350, 3570500, 4998700, 6248375, 7141000, 9997400, 12496750, 24993500, 49987000]

約数ペア:

[(1, 49987000), (2, 24993500), (4, 12496750), (5, 9997400), (7, 7141000), (8, 6248375), (10, 4998700), (14, 3570500), (20, 2499350), (25, 1999480), (28, 1785250), (35, 1428200), (37, 1351000), (40, 1249675), (50, 999740), (56, 892625), (70, 714100), (74, 675500), (100, 499870), (125, 399896), (140, 357050), (148, 337750), (175, 285640), (185, 270200), (193, 259000), (200, 249935), (250, 199948), (259, 193000), (280, 178525), (296, 168875), (350, 142820), (370, 135100), (386, 129500), (500, 99974), (518, 96500), (700, 71410), (740, 67550), (772, 64750), (875, 57128), (925, 54040), (965, 51800), (1000, 49987), (1036, 48250), (1295, 38600), (1351, 37000), (1400, 35705), (1480, 33775), (1544, 32375), (1750, 28564), (1850, 27020), (1930, 25900), (2072, 24125), (2590, 19300), (2702, 18500), (3500, 14282), (3700, 13510), (3860, 12950), (4625, 10808), (4825, 10360), (5180, 9650), (5404, 9250), (6475, 7720), (6755, 7400), (7000, 7141)]