78218000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:218

約数の個数: 160

約数和(自身を含む): 223461888

約数和(自身を除く): 145243888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 37, 40, 50, 56, 70, 74, 80, 100, 112, 125, 140, 148, 151, 175, 185, 200, 250, 259, 280, 296, 302, 350, 370, 400, 500, 518, 560, 592, 604, 700, 740, 755, 875, 925, 1000, 1036, 1057, 1208, 1295, 1400, 1480, 1510, 1750, 1850, 2000, 2072, 2114, 2416, 2590, 2800, 2960, 3020, 3500, 3700, 3775, 4144, 4228, 4625, 5180, 5285, 5587, 6040, 6475, 7000, 7400, 7550, 8456, 9250, 10360, 10570, 11174, 12080, 12950, 14000, 14800, 15100, 16912, 18500, 18875, 20720, 21140, 22348, 25900, 26425, 27935, 30200, 32375, 37000, 37750, 39109, 42280, 44696, 51800, 52850, 55870, 60400, 64750, 74000, 75500, 78218, 84560, 89392, 103600, 105700, 111740, 129500, 132125, 139675, 151000, 156436, 195545, 211400, 223480, 259000, 264250, 279350, 302000, 312872, 391090, 422800, 446960, 518000, 528500, 558700, 625744, 698375, 782180, 977725, 1057000, 1117400, 1396750, 1564360, 1955450, 2114000, 2234800, 2793500, 3128720, 3910900, 4888625, 5587000, 7821800, 9777250, 11174000, 15643600, 19554500, 39109000, 78218000]

約数ペア:

[(1, 78218000), (2, 39109000), (4, 19554500), (5, 15643600), (7, 11174000), (8, 9777250), (10, 7821800), (14, 5587000), (16, 4888625), (20, 3910900), (25, 3128720), (28, 2793500), (35, 2234800), (37, 2114000), (40, 1955450), (50, 1564360), (56, 1396750), (70, 1117400), (74, 1057000), (80, 977725), (100, 782180), (112, 698375), (125, 625744), (140, 558700), (148, 528500), (151, 518000), (175, 446960), (185, 422800), (200, 391090), (250, 312872), (259, 302000), (280, 279350), (296, 264250), (302, 259000), (350, 223480), (370, 211400), (400, 195545), (500, 156436), (518, 151000), (560, 139675), (592, 132125), (604, 129500), (700, 111740), (740, 105700), (755, 103600), (875, 89392), (925, 84560), (1000, 78218), (1036, 75500), (1057, 74000), (1208, 64750), (1295, 60400), (1400, 55870), (1480, 52850), (1510, 51800), (1750, 44696), (1850, 42280), (2000, 39109), (2072, 37750), (2114, 37000), (2416, 32375), (2590, 30200), (2800, 27935), (2960, 26425), (3020, 25900), (3500, 22348), (3700, 21140), (3775, 20720), (4144, 18875), (4228, 18500), (4625, 16912), (5180, 15100), (5285, 14800), (5587, 14000), (6040, 12950), (6475, 12080), (7000, 11174), (7400, 10570), (7550, 10360), (8456, 9250)]