2838500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{811}}^1$

素因数の和:837

約数の個数: 48

約数和(自身を含む): 7093632

約数和(自身を除く): 4255132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 700, 811, 875, 1622, 1750, 3244, 3500, 4055, 5677, 8110, 11354, 16220, 20275, 22708, 28385, 40550, 56770, 81100, 101375, 113540, 141925, 202750, 283850, 405500, 567700, 709625, 1419250, 2838500]

約数ペア:

[(1, 2838500), (2, 1419250), (4, 709625), (5, 567700), (7, 405500), (10, 283850), (14, 202750), (20, 141925), (25, 113540), (28, 101375), (35, 81100), (50, 56770), (70, 40550), (100, 28385), (125, 22708), (140, 20275), (175, 16220), (250, 11354), (350, 8110), (500, 5677), (700, 4055), (811, 3500), (875, 3244), (1622, 1750)]