2786000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{199}}^1$

素因数の和:229

約数の個数: 80

約数和(自身を含む): 7737600

約数和(自身を除く): 4951600

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, 199, 200, 250, 280, 350, 398, 400, 500, 560, 700, 796, 875, 995, 1000, 1393, 1400, 1592, 1750, 1990, 2000, 2786, 2800, 3184, 3500, 3980, 4975, 5572, 6965, 7000, 7960, 9950, 11144, 13930, 14000, 15920, 19900, 22288, 24875, 27860, 34825, 39800, 49750, 55720, 69650, 79600, 99500, 111440, 139300, 174125, 199000, 278600, 348250, 398000, 557200, 696500, 1393000, 2786000]

約数ペア:

[(1, 2786000), (2, 1393000), (4, 696500), (5, 557200), (7, 398000), (8, 348250), (10, 278600), (14, 199000), (16, 174125), (20, 139300), (25, 111440), (28, 99500), (35, 79600), (40, 69650), (50, 55720), (56, 49750), (70, 39800), (80, 34825), (100, 27860), (112, 24875), (125, 22288), (140, 19900), (175, 15920), (199, 14000), (200, 13930), (250, 11144), (280, 9950), (350, 7960), (398, 7000), (400, 6965), (500, 5572), (560, 4975), (700, 3980), (796, 3500), (875, 3184), (995, 2800), (1000, 2786), (1393, 2000), (1400, 1990), (1592, 1750)]