The factors of the number 420,000 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 125, 140, 150, 160, 168, 175, 200, 210, 224, 240, 250, 280, 300, 336, 350, 375, 400, 420, 480, 500, 525, 560, 600, 625, 672, 700, 750, 800, 840, 875, 1000, 1050, 1120, 1200, 1250, 1400, 1500, 1680, 1750, 1875, 2000, 2100, 2400, 2500, 2625, 2800, 3000, 3360, 3500, 3750, 4000, 4200, 4375, 5000, 5250, 5600, 6000, 7000, 7500, 8400, 8750, 10000, 10500, 12000, 13125, 14000, 15000, 16800, 17500, 20000, 21000, 26250, 28000, 30000, 35000, 42000, 52500, 60000, 70000, 84000, 105000, 140000, 210000, 420000.
If you add them up, you will get the total of 420,001. Now subtract 420,000 to get 1,154,496