The factors of the number 420,213,360 are: 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 389, 420, 560, 643, 778, 840, 1167, 1286, 1556, 1680, 1929, 1945, 2334, 2572, 2723, 3112, 3215, 3858, 3890, 4501, 4668, 5144, 5446, 5835, 6224, 6430, 7716, 7780, 8169, 9002, 9336, 9645, 10288, 10892, 11670, 12860, 13503, 13615, 15432, 15560, 16338, 18004, 18672, 19290, 21784, 22505, 23340, 25720, 27006, 27230, 30864, 31120, 32676, 36008, 38580, 40845, 43568, 45010, 46680, 51440, 54012, 54460, 65352, 67515, 72016, 77160, 81690, 90020, 93360, 108024, 108920, 130704, 135030, 154320, 163380, 180040, 216048, 217840, 250127, 270060, 326760, 360080, 500254, 540120, 653520, 750381, 1000508, 1080240, 1250635, 1500762, 1750889, 2001016, 2501270, 3001524, 3501778, 3751905, 4002032, 5002540, 5252667, 6003048, 7003556, 7503810, 8754445, 10005080, 10505334, 12006096, 14007112, 15007620, 17508890, 20010160, 21010668, 26263335, 28014224, 30015240, 35017780, 42021336, 52526670, 60030480, 70035560, 84042672, 105053340, 140071120, 210106680, 420213360.
If you add them up, you will get the total of 420,213,361. Now subtract 420,213,360 to get 1,074,690,960