The factors of the number 850,212,636 are: 1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 51, 52, 68, 78, 84, 91, 102, 119, 156, 169, 182, 204, 221, 238, 271, 273, 338, 357, 364, 442, 476, 507, 542, 546, 663, 676, 714, 813, 884, 1014, 1084, 1092, 1183, 1326, 1428, 1547, 1626, 1897, 2028, 2197, 2366, 2652, 2873, 3094, 3252, 3523, 3549, 3794, 4394, 4607, 4641, 4732, 5691, 5746, 6188, 6591, 7046, 7098, 7588, 8619, 8788, 9214, 9282, 10569, 11382, 11492, 13182, 13821, 14092, 14196, 15379, 17238, 18428, 18564, 20111, 21138, 22764, 24661, 26364, 27642, 30758, 32249, 34476, 37349, 40222, 42276, 45799, 46137, 49322, 55284, 59891, 60333, 61516, 64498, 73983, 74698, 80444, 91598, 92274, 96747, 98644, 112047, 119782, 120666, 128996, 137397, 147966, 149396, 179673, 183196, 184548, 193494, 224094, 239564, 241332, 261443, 274794, 295932, 320593, 359346, 386988, 419237, 448188, 522886, 549588, 595387, 641186, 718692, 778583, 784329, 838474, 961779, 1045772, 1190774, 1257711, 1282372, 1557166, 1568658, 1676948, 1786161, 1923558, 2335749, 2381548, 2515422, 3114332, 3137316, 3572322, 3847116, 4167709, 4671498, 5030844, 5450081, 7144644, 8335418, 9342996, 10121579, 10900162, 12503127, 16350243, 16670836, 20243158, 21800324, 25006254, 30364737, 32700486, 40486316, 50012508, 60729474, 65400972, 70851053, 121458948, 141702106, 212553159, 283404212, 425106318, 850212636.
If you add them up, you will get the total of 2,610,155,520.