The factors of the number 423,366,216 are: 1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 149, 156, 168, 182, 273, 298, 312, 364, 447, 546, 596, 728, 894, 1043, 1092, 1192, 1301, 1788, 1937, 2086, 2184, 2602, 3129, 3576, 3874, 3903, 4172, 5204, 5811, 6258, 7748, 7806, 8344, 9107, 10408, 11622, 12516, 13559, 15496, 15612, 16913, 18214, 23244, 25032, 27118, 27321, 31224, 33826, 36428, 40677, 46488, 50739, 54236, 54642, 67652, 72856, 81354, 101478, 108472, 109284, 118391, 135304, 162708, 193849, 202956, 218568, 236782, 325416, 355173, 387698, 405912, 473564, 581547, 710346, 775396, 947128, 1163094, 1356943, 1420692, 1550792, 2326188, 2520037, 2713886, 2841384, 4070829, 4652376, 5040074, 5427772, 7560111, 8141658, 10080148, 10855544, 15120222, 16283316, 17640259, 20160296, 30240444, 32566632, 35280518, 52920777, 60480888, 70561036, 105841554, 141122072, 211683108, 423366216.
If you add them up, you will get the total of 1,312,416,000.