The factors of the number 321,101,100 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 25, 30, 31, 34, 36, 45, 50, 51, 60, 62, 68, 75, 85, 90, 93, 100, 102, 124, 150, 153, 155, 170, 180, 186, 204, 225, 255, 279, 300, 306, 310, 340, 372, 425, 450, 465, 510, 527, 558, 612, 620, 677, 765, 775, 850, 900, 930, 1020, 1054, 1116, 1275, 1354, 1395, 1530, 1550, 1581, 1700, 1860, 2031, 2108, 2325, 2550, 2635, 2708, 2790, 3060, 3100, 3162, 3385, 3825, 4062, 4650, 4743, 5100, 5270, 5580, 6093, 6324, 6770, 6975, 7650, 7905, 8124, 9300, 9486, 10155, 10540, 11509, 12186, 13175, 13540, 13950, 15300, 15810, 16925, 18972, 20310, 20987, 23018, 23715, 24372, 26350, 27900, 30465, 31620, 33850, 34527, 39525, 40620, 41974, 46036, 47430, 50775, 52700, 57545, 60930, 62961, 67700, 69054, 79050, 83948, 94860, 101550, 103581, 104935, 115090, 118575, 121860, 125922, 138108, 152325, 158100, 172635, 188883, 203100, 207162, 209870, 230180, 237150, 251844, 287725, 304650, 314805, 345270, 356779, 377766, 414324, 419740, 474300, 517905, 524675, 575450, 609300, 629610, 690540, 713558, 755532, 863175, 944415, 1035810, 1049350, 1070337, 1150900, 1259220, 1427116, 1574025, 1726350, 1783895, 1888830, 2071620, 2098700, 2140674, 2589525, 3148050, 3211011, 3452700, 3567790, 3777660, 4281348, 4722075, 5179050, 5351685, 6296100, 6422022, 7135580, 8919475, 9444150, 10358100, 10703370, 12844044, 16055055, 17838950, 18888300, 21406740, 26758425, 32110110, 35677900, 53516850, 64220220, 80275275, 107033700, 160550550, 321101100.
If you add them up, you will get the total of 321,101,880. Now subtract 321,101,100 to get 780,578,388