The factors of the number 707,675,640 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 61, 70, 84, 98, 105, 120, 122, 140, 147, 168, 183, 196, 210, 244, 245, 280, 294, 305, 366, 392, 420, 427, 488, 490, 588, 610, 732, 735, 840, 854, 915, 980, 1176, 1220, 1281, 1464, 1470, 1708, 1830, 1960, 1973, 2135, 2440, 2562, 2940, 2989, 3416, 3660, 3946, 4270, 5124, 5880, 5919, 5978, 6405, 7320, 7892, 8540, 8967, 9865, 10248, 11838, 11956, 12810, 13811, 14945, 15784, 17080, 17934, 19730, 23676, 23912, 25620, 27622, 29595, 29890, 35868, 39460, 41433, 44835, 47352, 51240, 55244, 59190, 59780, 69055, 71736, 78920, 82866, 89670, 96677, 110488, 118380, 119560, 120353, 138110, 165732, 179340, 193354, 207165, 236760, 240706, 276220, 290031, 331464, 358680, 361059, 386708, 414330, 481412, 483385, 552440, 580062, 601765, 722118, 773416, 828660, 842471, 962824, 966770, 1160124, 1203530, 1444236, 1450155, 1657320, 1684942, 1805295, 1933540, 2320248, 2407060, 2527413, 2888472, 2900310, 3369884, 3610590, 3867080, 4212355, 4814120, 5054826, 5800620, 5897297, 6739768, 7221180, 8424710, 10109652, 11601240, 11794594, 12637065, 14442360, 16849420, 17691891, 20219304, 23589188, 25274130, 29486485, 33698840, 35383782, 47178376, 50548260, 58972970, 70767564, 88459455, 101096520, 117945940, 141535128, 176918910, 235891880, 353837820, 707675640.
If you add them up, you will get the total of 2,511,401,760.