The factors of the number 440,021,120 are: 1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 3080, 3520, 4480, 4928, 6160, 7040, 8929, 9856, 12320, 17858, 24640, 35716, 44645, 49280, 62503, 71432, 89290, 98219, 125006, 142864, 178580, 196438, 250012, 285728, 312515, 357160, 392876, 491095, 500024, 571456, 625030, 687533, 714320, 785752, 982190, 1000048, 1142912, 1250060, 1375066, 1428640, 1571504, 1964380, 2000096, 2500120, 2750132, 2857280, 3143008, 3437665, 3928760, 4000192, 5000240, 5500264, 5714560, 6286016, 6875330, 7857520, 8000384, 10000480, 11000528, 12572032, 13750660, 15715040, 20000960, 22001056, 27501320, 31430080, 40001920, 44002112, 55002640, 62860160, 88004224, 110005280, 220010560, 440021120.
If you add them up, you will get the total of 440,021,991. Now subtract 440,021,120 to get 871,617,280