1408000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{11}}^1$

素因数の和:46

約数の個数: 88

約数和(自身を含む): 3831984

約数和(自身を除く): 2423984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 125, 128, 160, 176, 200, 220, 250, 256, 275, 320, 352, 400, 440, 500, 512, 550, 640, 704, 800, 880, 1000, 1024, 1100, 1280, 1375, 1408, 1600, 1760, 2000, 2200, 2560, 2750, 2816, 3200, 3520, 4000, 4400, 5120, 5500, 5632, 6400, 7040, 8000, 8800, 11000, 11264, 12800, 14080, 16000, 17600, 22000, 25600, 28160, 32000, 35200, 44000, 56320, 64000, 70400, 88000, 128000, 140800, 176000, 281600, 352000, 704000, 1408000]

約数ペア:

[(1, 1408000), (2, 704000), (4, 352000), (5, 281600), (8, 176000), (10, 140800), (11, 128000), (16, 88000), (20, 70400), (22, 64000), (25, 56320), (32, 44000), (40, 35200), (44, 32000), (50, 28160), (55, 25600), (64, 22000), (80, 17600), (88, 16000), (100, 14080), (110, 12800), (125, 11264), (128, 11000), (160, 8800), (176, 8000), (200, 7040), (220, 6400), (250, 5632), (256, 5500), (275, 5120), (320, 4400), (352, 4000), (400, 3520), (440, 3200), (500, 2816), (512, 2750), (550, 2560), (640, 2200), (704, 2000), (800, 1760), (880, 1600), (1000, 1408), (1024, 1375), (1100, 1280)]