315595000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:231

約数の個数: 160

約数和(自身を含む): 863723520

約数和(自身を除く): 548128520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 71, 100, 125, 127, 140, 142, 175, 200, 250, 254, 280, 284, 350, 355, 497, 500, 508, 568, 625, 635, 700, 710, 875, 889, 994, 1000, 1016, 1250, 1270, 1400, 1420, 1750, 1775, 1778, 1988, 2485, 2500, 2540, 2840, 3175, 3500, 3550, 3556, 3976, 4375, 4445, 4970, 5000, 5080, 6350, 7000, 7100, 7112, 8750, 8875, 8890, 9017, 9940, 12425, 12700, 14200, 15875, 17500, 17750, 17780, 18034, 19880, 22225, 24850, 25400, 31750, 35000, 35500, 35560, 36068, 44375, 44450, 45085, 49700, 62125, 63119, 63500, 71000, 72136, 79375, 88750, 88900, 90170, 99400, 111125, 124250, 126238, 127000, 158750, 177500, 177800, 180340, 222250, 225425, 248500, 252476, 310625, 315595, 317500, 355000, 360680, 444500, 450850, 497000, 504952, 555625, 621250, 631190, 635000, 889000, 901700, 1111250, 1127125, 1242500, 1262380, 1577975, 1803400, 2222500, 2254250, 2485000, 2524760, 3155950, 4445000, 4508500, 5635625, 6311900, 7889875, 9017000, 11271250, 12623800, 15779750, 22542500, 31559500, 39449375, 45085000, 63119000, 78898750, 157797500, 315595000]

約数ペア:

[(1, 315595000), (2, 157797500), (4, 78898750), (5, 63119000), (7, 45085000), (8, 39449375), (10, 31559500), (14, 22542500), (20, 15779750), (25, 12623800), (28, 11271250), (35, 9017000), (40, 7889875), (50, 6311900), (56, 5635625), (70, 4508500), (71, 4445000), (100, 3155950), (125, 2524760), (127, 2485000), (140, 2254250), (142, 2222500), (175, 1803400), (200, 1577975), (250, 1262380), (254, 1242500), (280, 1127125), (284, 1111250), (350, 901700), (355, 889000), (497, 635000), (500, 631190), (508, 621250), (568, 555625), (625, 504952), (635, 497000), (700, 450850), (710, 444500), (875, 360680), (889, 355000), (994, 317500), (1000, 315595), (1016, 310625), (1250, 252476), (1270, 248500), (1400, 225425), (1420, 222250), (1750, 180340), (1775, 177800), (1778, 177500), (1988, 158750), (2485, 127000), (2500, 126238), (2540, 124250), (2840, 111125), (3175, 99400), (3500, 90170), (3550, 88900), (3556, 88750), (3976, 79375), (4375, 72136), (4445, 71000), (4970, 63500), (5000, 63119), (5080, 62125), (6350, 49700), (7000, 45085), (7100, 44450), (7112, 44375), (8750, 36068), (8875, 35560), (8890, 35500), (9017, 35000), (9940, 31750), (12425, 25400), (12700, 24850), (14200, 22225), (15875, 19880), (17500, 18034), (17750, 17780)]