164465000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 455854080

約数和(自身を除く): 291389080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 100, 125, 127, 140, 148, 175, 185, 200, 250, 254, 259, 280, 296, 350, 370, 500, 508, 518, 625, 635, 700, 740, 875, 889, 925, 1000, 1016, 1036, 1250, 1270, 1295, 1400, 1480, 1750, 1778, 1850, 2072, 2500, 2540, 2590, 3175, 3500, 3556, 3700, 4375, 4445, 4625, 4699, 5000, 5080, 5180, 6350, 6475, 7000, 7112, 7400, 8750, 8890, 9250, 9398, 10360, 12700, 12950, 15875, 17500, 17780, 18500, 18796, 22225, 23125, 23495, 25400, 25900, 31750, 32375, 32893, 35000, 35560, 37000, 37592, 44450, 46250, 46990, 51800, 63500, 64750, 65786, 79375, 88900, 92500, 93980, 111125, 117475, 127000, 129500, 131572, 158750, 161875, 164465, 177800, 185000, 187960, 222250, 234950, 259000, 263144, 317500, 323750, 328930, 444500, 469900, 555625, 587375, 635000, 647500, 657860, 822325, 889000, 939800, 1111250, 1174750, 1295000, 1315720, 1644650, 2222500, 2349500, 2936875, 3289300, 4111625, 4445000, 4699000, 5873750, 6578600, 8223250, 11747500, 16446500, 20558125, 23495000, 32893000, 41116250, 82232500, 164465000]

約数ペア:

[(1, 164465000), (2, 82232500), (4, 41116250), (5, 32893000), (7, 23495000), (8, 20558125), (10, 16446500), (14, 11747500), (20, 8223250), (25, 6578600), (28, 5873750), (35, 4699000), (37, 4445000), (40, 4111625), (50, 3289300), (56, 2936875), (70, 2349500), (74, 2222500), (100, 1644650), (125, 1315720), (127, 1295000), (140, 1174750), (148, 1111250), (175, 939800), (185, 889000), (200, 822325), (250, 657860), (254, 647500), (259, 635000), (280, 587375), (296, 555625), (350, 469900), (370, 444500), (500, 328930), (508, 323750), (518, 317500), (625, 263144), (635, 259000), (700, 234950), (740, 222250), (875, 187960), (889, 185000), (925, 177800), (1000, 164465), (1016, 161875), (1036, 158750), (1250, 131572), (1270, 129500), (1295, 127000), (1400, 117475), (1480, 111125), (1750, 93980), (1778, 92500), (1850, 88900), (2072, 79375), (2500, 65786), (2540, 64750), (2590, 63500), (3175, 51800), (3500, 46990), (3556, 46250), (3700, 44450), (4375, 37592), (4445, 37000), (4625, 35560), (4699, 35000), (5000, 32893), (5080, 32375), (5180, 31750), (6350, 25900), (6475, 25400), (7000, 23495), (7112, 23125), (7400, 22225), (8750, 18796), (8890, 18500), (9250, 17780), (9398, 17500), (10360, 15875), (12700, 12950)]