The factors of the number 400,024,100 are: 1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 361, 380, 475, 532, 665, 700, 722, 950, 1330, 1444, 1583, 1805, 1900, 2527, 2660, 3166, 3325, 3610, 5054, 6332, 6650, 7220, 7915, 9025, 10108, 11081, 12635, 13300, 15830, 18050, 22162, 25270, 30077, 31660, 36100, 39575, 44324, 50540, 55405, 60154, 63175, 79150, 110810, 120308, 126350, 150385, 158300, 210539, 221620, 252700, 277025, 300770, 421078, 554050, 571463, 601540, 751925, 842156, 1052695, 1108100, 1142926, 1503850, 2105390, 2285852, 2857315, 3007700, 4000241, 4210780, 5263475, 5714630, 8000482, 10526950, 11429260, 14286575, 16000964, 20001205, 21053900, 28573150, 40002410, 57146300, 80004820, 100006025, 200012050, 400024100.
If you add them up, you will get the total of 400,024,747. Now subtract 400,024,100 to get 647,658,844