The factors of the number 1,649,340 are: 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 28, 30, 33, 34, 35, 36, 42, 44, 45, 49, 51, 55, 60, 63, 66, 68, 70, 77, 84, 85, 90, 98, 99, 102, 105, 110, 119, 126, 132, 140, 147, 153, 154, 165, 170, 180, 187, 196, 198, 204, 210, 220, 231, 238, 245, 252, 255, 294, 306, 308, 315, 330, 340, 357, 374, 385, 396, 420, 441, 462, 476, 490, 495, 510, 539, 561, 588, 595, 612, 630, 660, 693, 714, 735, 748, 765, 770, 833, 882, 924, 935, 980, 990, 1020, 1071, 1078, 1122, 1155, 1190, 1260, 1309, 1386, 1428, 1470, 1530, 1540, 1617, 1666, 1683, 1764, 1785, 1870, 1980, 2142, 2156, 2205, 2244, 2310, 2380, 2499, 2618, 2695, 2772, 2805, 2940, 3060, 3234, 3332, 3366, 3465, 3570, 3740, 3927, 4165, 4284, 4410, 4620, 4851, 4998, 5236, 5355, 5390, 5610, 6468, 6545, 6732, 6930, 7140, 7497, 7854, 8085, 8330, 8415, 8820, 9163, 9702, 9996, 10710, 10780, 11220, 11781, 12495, 13090, 13860, 14994, 15708, 16170, 16660, 16830, 18326, 19404, 19635, 21420, 23562, 24255, 24990, 26180, 27489, 29988, 32340, 33660, 36652, 37485, 39270, 45815, 47124, 48510, 49980, 54978, 58905, 74970, 78540, 82467, 91630, 97020, 109956, 117810, 137445, 149940, 164934, 183260, 235620, 274890, 329868, 412335, 549780, 824670, 1649340.
If you add them up, you will get the total of 6,722,352.