2240000

素因数分解:

$2^9\times 5^4\times 7^1$

素因数の和:45

約数の個数: 100

約数和(自身を含む): 6391704

約数和(自身を除く): 4151704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 64, 70, 80, 100, 112, 125, 128, 140, 160, 175, 200, 224, 250, 256, 280, 320, 350, 400, 448, 500, 512, 560, 625, 640, 700, 800, 875, 896, 1000, 1120, 1250, 1280, 1400, 1600, 1750, 1792, 2000, 2240, 2500, 2560, 2800, 3200, 3500, 3584, 4000, 4375, 4480, 5000, 5600, 6400, 7000, 8000, 8750, 8960, 10000, 11200, 12800, 14000, 16000, 17500, 17920, 20000, 22400, 28000, 32000, 35000, 40000, 44800, 56000, 64000, 70000, 80000, 89600, 112000, 140000, 160000, 224000, 280000, 320000, 448000, 560000, 1120000, 2240000]

約数ペア:

[(1, 2240000), (2, 1120000), (4, 560000), (5, 448000), (7, 320000), (8, 280000), (10, 224000), (14, 160000), (16, 140000), (20, 112000), (25, 89600), (28, 80000), (32, 70000), (35, 64000), (40, 56000), (50, 44800), (56, 40000), (64, 35000), (70, 32000), (80, 28000), (100, 22400), (112, 20000), (125, 17920), (128, 17500), (140, 16000), (160, 14000), (175, 12800), (200, 11200), (224, 10000), (250, 8960), (256, 8750), (280, 8000), (320, 7000), (350, 6400), (400, 5600), (448, 5000), (500, 4480), (512, 4375), (560, 4000), (625, 3584), (640, 3500), (700, 3200), (800, 2800), (875, 2560), (896, 2500), (1000, 2240), (1120, 2000), (1250, 1792), (1280, 1750), (1400, 1600)]