The factors of the number 770,612,400 are: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 2160, 2700, 3600, 5400, 10800, 71353, 142706, 214059, 285412, 356765, 428118, 570824, 642177, 713530, 856236, 1070295, 1141648, 1284354, 1427060, 1712472, 1783825, 1926531, 2140590, 2568708, 2854120, 3210885, 3424944, 3567650, 3853062, 4281180, 5137416, 5351475, 5708240, 6421770, 7135300, 7706124, 8562360, 9632655, 10274832, 10702950, 12843540, 14270600, 15412248, 16054425, 17124720, 19265310, 21405900, 25687080, 28541200, 30824496, 32108850, 38530620, 42811800, 48163275, 51374160, 64217700, 77061240, 85623600, 96326550, 128435400, 154122480, 192653100, 256870800, 385306200, 770612400.
If you add them up, you will get the total of 2,742,847,760.