28154000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{2011}}^1$

素因数の和:2041

約数の個数: 80

約数和(自身を含む): 77840256

約数和(自身を除く): 49686256

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, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2011, 2800, 3500, 4022, 7000, 8044, 10055, 14000, 14077, 16088, 20110, 28154, 32176, 40220, 50275, 56308, 70385, 80440, 100550, 112616, 140770, 160880, 201100, 225232, 251375, 281540, 351925, 402200, 502750, 563080, 703850, 804400, 1005500, 1126160, 1407700, 1759625, 2011000, 2815400, 3519250, 4022000, 5630800, 7038500, 14077000, 28154000]

約数ペア:

[(1, 28154000), (2, 14077000), (4, 7038500), (5, 5630800), (7, 4022000), (8, 3519250), (10, 2815400), (14, 2011000), (16, 1759625), (20, 1407700), (25, 1126160), (28, 1005500), (35, 804400), (40, 703850), (50, 563080), (56, 502750), (70, 402200), (80, 351925), (100, 281540), (112, 251375), (125, 225232), (140, 201100), (175, 160880), (200, 140770), (250, 112616), (280, 100550), (350, 80440), (400, 70385), (500, 56308), (560, 50275), (700, 40220), (875, 32176), (1000, 28154), (1400, 20110), (1750, 16088), (2000, 14077), (2011, 14000), (2800, 10055), (3500, 8044), (4022, 7000)]