The factors of the number 1,212,750 are: 1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 30, 33, 35, 42, 45, 49, 50, 55, 63, 66, 70, 75, 77, 90, 98, 99, 105, 110, 125, 126, 147, 150, 154, 165, 175, 198, 210, 225, 231, 245, 250, 275, 294, 315, 330, 350, 375, 385, 441, 450, 462, 490, 495, 525, 539, 550, 630, 693, 735, 750, 770, 825, 875, 882, 990, 1050, 1078, 1125, 1155, 1225, 1375, 1386, 1470, 1575, 1617, 1650, 1750, 1925, 2205, 2250, 2310, 2450, 2475, 2625, 2695, 2750, 3150, 3234, 3465, 3675, 3850, 4125, 4410, 4851, 4950, 5250, 5390, 5775, 6125, 6930, 7350, 7875, 8085, 8250, 9625, 9702, 11025, 11550, 12250, 12375, 13475, 15750, 16170, 17325, 18375, 19250, 22050, 24255, 24750, 26950, 28875, 34650, 36750, 40425, 48510, 55125, 57750, 67375, 80850, 86625, 110250, 121275, 134750, 173250, 202125, 242550, 404250, 606375, 1212750.
If you add them up, you will get the total of 4,161,456.