The factors of the number 436,301,736 are: 1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 43, 51, 52, 68, 78, 86, 102, 104, 129, 136, 156, 172, 204, 221, 258, 312, 344, 408, 442, 516, 559, 663, 731, 884, 1032, 1118, 1326, 1462, 1677, 1768, 1913, 2193, 2236, 2652, 2924, 3354, 3826, 4386, 4472, 5304, 5739, 5848, 6708, 7652, 8772, 9503, 11478, 13416, 15304, 17544, 19006, 22956, 24869, 28509, 32521, 38012, 45912, 49738, 57018, 65042, 74607, 76024, 82259, 97563, 99476, 114036, 130084, 149214, 164518, 195126, 198952, 228072, 246777, 260168, 298428, 329036, 390252, 422773, 493554, 596856, 658072, 780504, 845546, 987108, 1069367, 1268319, 1398403, 1691092, 1974216, 2138734, 2536638, 2796806, 3208101, 3382184, 4195209, 4277468, 5073276, 5593612, 6416202, 8390418, 8554936, 10146552, 11187224, 12832404, 16780836, 18179239, 25664808, 33561672, 36358478, 54537717, 72716956, 109075434, 145433912, 218150868, 436301736.
If you add them up, you will get the total of 1,273,345,920.