The factors of the number 280,158,270 are: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 179, 203, 210, 257, 290, 358, 406, 435, 514, 537, 609, 771, 870, 895, 1015, 1074, 1218, 1253, 1285, 1542, 1790, 1799, 2030, 2506, 2570, 2685, 3045, 3598, 3759, 3855, 5191, 5370, 5397, 6090, 6265, 7453, 7518, 7710, 8995, 10382, 10794, 12530, 14906, 15573, 17990, 18795, 22359, 25955, 26985, 31146, 36337, 37265, 37590, 44718, 46003, 51910, 52171, 53970, 72674, 74530, 77865, 92006, 104342, 109011, 111795, 138009, 155730, 156513, 181685, 218022, 223590, 230015, 260855, 276018, 313026, 322021, 363370, 460030, 521710, 545055, 644042, 690045, 782565, 966063, 1090110, 1334087, 1380090, 1565130, 1610105, 1932126, 2668174, 3220210, 4002261, 4830315, 6670435, 8004522, 9338609, 9660630, 13340870, 18677218, 20011305, 28015827, 40022610, 46693045, 56031654, 93386090, 140079135, 280158270.
If you add them up, you will get the total of 802,483,200.