1814000

素因数分解:

$2^4\times 5^3\times {\mathrm{907}}^1$

素因数の和:930

約数の個数: 40

約数和(自身を含む): 4391088

約数和(自身を除く): 2577088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 907, 1000, 1814, 2000, 3628, 4535, 7256, 9070, 14512, 18140, 22675, 36280, 45350, 72560, 90700, 113375, 181400, 226750, 362800, 453500, 907000, 1814000]

約数ペア:

[(1, 1814000), (2, 907000), (4, 453500), (5, 362800), (8, 226750), (10, 181400), (16, 113375), (20, 90700), (25, 72560), (40, 45350), (50, 36280), (80, 22675), (100, 18140), (125, 14512), (200, 9070), (250, 7256), (400, 4535), (500, 3628), (907, 2000), (1000, 1814)]