128254000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{9161}}^1$

素因数の和:9191

約数の個数: 80

約数和(自身を含む): 354459456

約数和(自身を除く): 226205456

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 7000, 9161, 14000, 18322, 36644, 45805, 64127, 73288, 91610, 128254, 146576, 183220, 229025, 256508, 320635, 366440, 458050, 513016, 641270, 732880, 916100, 1026032, 1145125, 1282540, 1603175, 1832200, 2290250, 2565080, 3206350, 3664400, 4580500, 5130160, 6412700, 8015875, 9161000, 12825400, 16031750, 18322000, 25650800, 32063500, 64127000, 128254000]

約数ペア:

[(1, 128254000), (2, 64127000), (4, 32063500), (5, 25650800), (7, 18322000), (8, 16031750), (10, 12825400), (14, 9161000), (16, 8015875), (20, 6412700), (25, 5130160), (28, 4580500), (35, 3664400), (40, 3206350), (50, 2565080), (56, 2290250), (70, 1832200), (80, 1603175), (100, 1282540), (112, 1145125), (125, 1026032), (140, 916100), (175, 732880), (200, 641270), (250, 513016), (280, 458050), (350, 366440), (400, 320635), (500, 256508), (560, 229025), (700, 183220), (875, 146576), (1000, 128254), (1400, 91610), (1750, 73288), (2000, 64127), (2800, 45805), (3500, 36644), (7000, 18322), (9161, 14000)]