The factors of the number 346,026,408 are: 1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 47, 52, 56, 78, 84, 91, 94, 104, 141, 156, 168, 182, 188, 273, 282, 312, 329, 364, 376, 546, 564, 611, 658, 728, 987, 1092, 1128, 1222, 1316, 1833, 1974, 2184, 2444, 2632, 3371, 3666, 3948, 4277, 4888, 6742, 7332, 7896, 8554, 10113, 12831, 13484, 14664, 17108, 20226, 23597, 25662, 26968, 34216, 40452, 43823, 47194, 51324, 70791, 80904, 87646, 94388, 102648, 131469, 141582, 158437, 175292, 188776, 262938, 283164, 306761, 316874, 350584, 475311, 525876, 566328, 613522, 633748, 920283, 950622, 1051752, 1109059, 1227044, 1267496, 1840566, 1901244, 2059681, 2218118, 2454088, 3327177, 3681132, 3802488, 4119362, 4436236, 6179043, 6654354, 7362264, 8238724, 8872472, 12358086, 13308708, 14417767, 16477448, 24716172, 26617416, 28835534, 43253301, 49432344, 57671068, 86506602, 115342136, 173013204, 346026408.
If you add them up, you will get the total of 1,087,672,320.