The factors of the number 288,273,312 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 72, 96, 122, 144, 183, 244, 269, 288, 366, 488, 538, 549, 732, 807, 976, 1076, 1098, 1464, 1614, 1952, 2152, 2196, 2421, 2928, 3228, 3721, 4304, 4392, 4842, 5856, 6456, 7442, 8608, 8784, 9684, 11163, 12912, 14884, 16409, 17568, 19368, 22326, 25824, 29768, 32818, 33489, 38736, 44652, 49227, 59536, 65636, 66978, 77472, 89304, 98454, 119072, 131272, 133956, 147681, 178608, 196908, 262544, 267912, 295362, 357216, 393816, 525088, 535824, 590724, 787632, 1000949, 1071648, 1181448, 1575264, 2001898, 2362896, 3002847, 4003796, 4725792, 6005694, 8007592, 9008541, 12011388, 16015184, 18017082, 24022776, 32030368, 36034164, 48045552, 72068328, 96091104, 144136656, 288273312.
If you add them up, you will get the total of 836,534,790.