1918000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{137}}^1$

素因数の和:167

約数の個数: 80

約数和(自身を含む): 5338944

約数和(自身を除く): 3420944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 137, 140, 175, 200, 250, 274, 280, 350, 400, 500, 548, 560, 685, 700, 875, 959, 1000, 1096, 1370, 1400, 1750, 1918, 2000, 2192, 2740, 2800, 3425, 3500, 3836, 4795, 5480, 6850, 7000, 7672, 9590, 10960, 13700, 14000, 15344, 17125, 19180, 23975, 27400, 34250, 38360, 47950, 54800, 68500, 76720, 95900, 119875, 137000, 191800, 239750, 274000, 383600, 479500, 959000, 1918000]

約数ペア:

[(1, 1918000), (2, 959000), (4, 479500), (5, 383600), (7, 274000), (8, 239750), (10, 191800), (14, 137000), (16, 119875), (20, 95900), (25, 76720), (28, 68500), (35, 54800), (40, 47950), (50, 38360), (56, 34250), (70, 27400), (80, 23975), (100, 19180), (112, 17125), (125, 15344), (137, 14000), (140, 13700), (175, 10960), (200, 9590), (250, 7672), (274, 7000), (280, 6850), (350, 5480), (400, 4795), (500, 3836), (548, 3500), (560, 3425), (685, 2800), (700, 2740), (875, 2192), (959, 2000), (1000, 1918), (1096, 1750), (1370, 1400)]