The factors of the number 686,656,260 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 61, 69, 90, 92, 115, 122, 138, 180, 183, 207, 230, 244, 276, 305, 345, 366, 414, 460, 549, 610, 690, 732, 828, 915, 1035, 1098, 1220, 1380, 1403, 1830, 2070, 2196, 2719, 2745, 2806, 3660, 4140, 4209, 5438, 5490, 5612, 7015, 8157, 8418, 10876, 10980, 12627, 13595, 14030, 16314, 16836, 21045, 24471, 25254, 27190, 28060, 32628, 40785, 42090, 48942, 50508, 54380, 62537, 63135, 81570, 84180, 97884, 122355, 125074, 126270, 163140, 165859, 187611, 244710, 250148, 252540, 312685, 331718, 375222, 489420, 497577, 562833, 625370, 663436, 750444, 829295, 938055, 995154, 1125666, 1250740, 1492731, 1658590, 1876110, 1990308, 2251332, 2487885, 2814165, 2985462, 3317180, 3752220, 3814757, 4975770, 5628330, 5970924, 7463655, 7629514, 9951540, 11256660, 11444271, 14927310, 15259028, 19073785, 22888542, 29854620, 34332813, 38147570, 45777084, 57221355, 68665626, 76295140, 114442710, 137331252, 171664065, 228885420, 343328130, 686656260.
If you add them up, you will get the total of 2,209,858,560.