18137000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{2591}}^1$

素因数の和:2619

約数の個数: 64

約数和(自身を含む): 48522240

約数和(自身を除く): 30385240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 2591, 3500, 5182, 7000, 10364, 12955, 18137, 20728, 25910, 36274, 51820, 64775, 72548, 90685, 103640, 129550, 145096, 181370, 259100, 323875, 362740, 453425, 518200, 647750, 725480, 906850, 1295500, 1813700, 2267125, 2591000, 3627400, 4534250, 9068500, 18137000]

約数ペア:

[(1, 18137000), (2, 9068500), (4, 4534250), (5, 3627400), (7, 2591000), (8, 2267125), (10, 1813700), (14, 1295500), (20, 906850), (25, 725480), (28, 647750), (35, 518200), (40, 453425), (50, 362740), (56, 323875), (70, 259100), (100, 181370), (125, 145096), (140, 129550), (175, 103640), (200, 90685), (250, 72548), (280, 64775), (350, 51820), (500, 36274), (700, 25910), (875, 20728), (1000, 18137), (1400, 12955), (1750, 10364), (2591, 7000), (3500, 5182)]