2828000

素因数分解:

$2^5\times 5^3\times 7^1\times {\mathrm{101}}^1$

素因数の和:133

約数の個数: 96

約数和(自身を含む): 8019648

約数和(自身を除く): 5191648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 101, 112, 125, 140, 160, 175, 200, 202, 224, 250, 280, 350, 400, 404, 500, 505, 560, 700, 707, 800, 808, 875, 1000, 1010, 1120, 1400, 1414, 1616, 1750, 2000, 2020, 2525, 2800, 2828, 3232, 3500, 3535, 4000, 4040, 5050, 5600, 5656, 7000, 7070, 8080, 10100, 11312, 12625, 14000, 14140, 16160, 17675, 20200, 22624, 25250, 28000, 28280, 35350, 40400, 50500, 56560, 70700, 80800, 88375, 101000, 113120, 141400, 176750, 202000, 282800, 353500, 404000, 565600, 707000, 1414000, 2828000]

約数ペア:

[(1, 2828000), (2, 1414000), (4, 707000), (5, 565600), (7, 404000), (8, 353500), (10, 282800), (14, 202000), (16, 176750), (20, 141400), (25, 113120), (28, 101000), (32, 88375), (35, 80800), (40, 70700), (50, 56560), (56, 50500), (70, 40400), (80, 35350), (100, 28280), (101, 28000), (112, 25250), (125, 22624), (140, 20200), (160, 17675), (175, 16160), (200, 14140), (202, 14000), (224, 12625), (250, 11312), (280, 10100), (350, 8080), (400, 7070), (404, 7000), (500, 5656), (505, 5600), (560, 5050), (700, 4040), (707, 4000), (800, 3535), (808, 3500), (875, 3232), (1000, 2828), (1010, 2800), (1120, 2525), (1400, 2020), (1414, 2000), (1616, 1750)]