89777800

素因数分解:

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

素因数の和:9191

約数の個数: 72

約数和(自身を含む): 242838810

約数和(自身を除く): 153061010

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 140, 175, 196, 200, 245, 280, 350, 392, 490, 700, 980, 1225, 1400, 1960, 2450, 4900, 9161, 9800, 18322, 36644, 45805, 64127, 73288, 91610, 128254, 183220, 229025, 256508, 320635, 366440, 448889, 458050, 513016, 641270, 897778, 916100, 1282540, 1603175, 1795556, 1832200, 2244445, 2565080, 3206350, 3591112, 4488890, 6412700, 8977780, 11222225, 12825400, 17955560, 22444450, 44888900, 89777800]

約数ペア:

[(1, 89777800), (2, 44888900), (4, 22444450), (5, 17955560), (7, 12825400), (8, 11222225), (10, 8977780), (14, 6412700), (20, 4488890), (25, 3591112), (28, 3206350), (35, 2565080), (40, 2244445), (49, 1832200), (50, 1795556), (56, 1603175), (70, 1282540), (98, 916100), (100, 897778), (140, 641270), (175, 513016), (196, 458050), (200, 448889), (245, 366440), (280, 320635), (350, 256508), (392, 229025), (490, 183220), (700, 128254), (980, 91610), (1225, 73288), (1400, 64127), (1960, 45805), (2450, 36644), (4900, 18322), (9161, 9800)]