78995000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 220804320

約数和(自身を除く): 141809320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 37, 40, 50, 56, 61, 70, 74, 100, 122, 125, 140, 148, 175, 185, 200, 244, 250, 259, 280, 296, 305, 350, 370, 427, 488, 500, 518, 610, 625, 700, 740, 854, 875, 925, 1000, 1036, 1220, 1250, 1295, 1400, 1480, 1525, 1708, 1750, 1850, 2072, 2135, 2257, 2440, 2500, 2590, 3050, 3416, 3500, 3700, 4270, 4375, 4514, 4625, 5000, 5180, 6100, 6475, 7000, 7400, 7625, 8540, 8750, 9028, 9250, 10360, 10675, 11285, 12200, 12950, 15250, 15799, 17080, 17500, 18056, 18500, 21350, 22570, 23125, 25900, 30500, 31598, 32375, 35000, 37000, 38125, 42700, 45140, 46250, 51800, 53375, 56425, 61000, 63196, 64750, 76250, 78995, 85400, 90280, 92500, 106750, 112850, 126392, 129500, 152500, 157990, 161875, 185000, 213500, 225700, 259000, 266875, 282125, 305000, 315980, 323750, 394975, 427000, 451400, 533750, 564250, 631960, 647500, 789950, 1067500, 1128500, 1295000, 1410625, 1579900, 1974875, 2135000, 2257000, 2821250, 3159800, 3949750, 5642500, 7899500, 9874375, 11285000, 15799000, 19748750, 39497500, 78995000]

約数ペア:

[(1, 78995000), (2, 39497500), (4, 19748750), (5, 15799000), (7, 11285000), (8, 9874375), (10, 7899500), (14, 5642500), (20, 3949750), (25, 3159800), (28, 2821250), (35, 2257000), (37, 2135000), (40, 1974875), (50, 1579900), (56, 1410625), (61, 1295000), (70, 1128500), (74, 1067500), (100, 789950), (122, 647500), (125, 631960), (140, 564250), (148, 533750), (175, 451400), (185, 427000), (200, 394975), (244, 323750), (250, 315980), (259, 305000), (280, 282125), (296, 266875), (305, 259000), (350, 225700), (370, 213500), (427, 185000), (488, 161875), (500, 157990), (518, 152500), (610, 129500), (625, 126392), (700, 112850), (740, 106750), (854, 92500), (875, 90280), (925, 85400), (1000, 78995), (1036, 76250), (1220, 64750), (1250, 63196), (1295, 61000), (1400, 56425), (1480, 53375), (1525, 51800), (1708, 46250), (1750, 45140), (1850, 42700), (2072, 38125), (2135, 37000), (2257, 35000), (2440, 32375), (2500, 31598), (2590, 30500), (3050, 25900), (3416, 23125), (3500, 22570), (3700, 21350), (4270, 18500), (4375, 18056), (4514, 17500), (4625, 17080), (5000, 15799), (5180, 15250), (6100, 12950), (6475, 12200), (7000, 11285), (7400, 10675), (7625, 10360), (8540, 9250), (8750, 9028)]