1351000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{193}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 3631680

約数和(自身を除く): 2280680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 193, 200, 250, 280, 350, 386, 500, 700, 772, 875, 965, 1000, 1351, 1400, 1544, 1750, 1930, 2702, 3500, 3860, 4825, 5404, 6755, 7000, 7720, 9650, 10808, 13510, 19300, 24125, 27020, 33775, 38600, 48250, 54040, 67550, 96500, 135100, 168875, 193000, 270200, 337750, 675500, 1351000]

約数ペア:

[(1, 1351000), (2, 675500), (4, 337750), (5, 270200), (7, 193000), (8, 168875), (10, 135100), (14, 96500), (20, 67550), (25, 54040), (28, 48250), (35, 38600), (40, 33775), (50, 27020), (56, 24125), (70, 19300), (100, 13510), (125, 10808), (140, 9650), (175, 7720), (193, 7000), (200, 6755), (250, 5404), (280, 4825), (350, 3860), (386, 3500), (500, 2702), (700, 1930), (772, 1750), (875, 1544), (965, 1400), (1000, 1351)]