1418000

素因数分解:

$2^4\times 5^3\times {\mathrm{709}}^1$

素因数の和:732

約数の個数: 40

約数和(自身を含む): 3433560

約数和(自身を除く): 2015560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 709, 1000, 1418, 2000, 2836, 3545, 5672, 7090, 11344, 14180, 17725, 28360, 35450, 56720, 70900, 88625, 141800, 177250, 283600, 354500, 709000, 1418000]

約数ペア:

[(1, 1418000), (2, 709000), (4, 354500), (5, 283600), (8, 177250), (10, 141800), (16, 88625), (20, 70900), (25, 56720), (40, 35450), (50, 28360), (80, 17725), (100, 14180), (125, 11344), (200, 7090), (250, 5672), (400, 3545), (500, 2836), (709, 2000), (1000, 1418)]