The factors of the number 212,321,664 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 79, 96, 128, 144, 158, 192, 237, 288, 316, 384, 474, 576, 632, 711, 948, 1152, 1264, 1422, 1896, 2333, 2528, 2844, 3792, 4666, 5056, 5688, 6999, 7584, 9332, 10112, 11376, 13998, 15168, 18664, 20997, 22752, 27996, 30336, 37328, 41994, 45504, 55992, 74656, 83988, 91008, 111984, 149312, 167976, 184307, 223968, 298624, 335952, 368614, 447936, 552921, 671904, 737228, 895872, 1105842, 1343808, 1474456, 1658763, 2211684, 2687616, 2948912, 3317526, 4423368, 5897824, 6635052, 8846736, 11795648, 13270104, 17693472, 23591296, 26540208, 35386944, 53080416, 70773888, 106160832, 212321664.
If you add them up, you will get the total of 212,322,070. Now subtract 212,321,664 to get 406,655,136