The factors of the number 401,123,008 are: 1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 41, 44, 52, 64, 82, 88, 104, 143, 164, 176, 208, 286, 328, 352, 416, 451, 533, 572, 656, 704, 832, 902, 1066, 1069, 1144, 1312, 1804, 2132, 2138, 2288, 2624, 3608, 4264, 4276, 4576, 5863, 7216, 8528, 8552, 9152, 11726, 11759, 13897, 14432, 17056, 17104, 23452, 23518, 27794, 28864, 34112, 34208, 43829, 46904, 47036, 55588, 68416, 87658, 93808, 94072, 111176, 152867, 175316, 187616, 188144, 222352, 305734, 350632, 375232, 376288, 444704, 482119, 569777, 611468, 701264, 752576, 889408, 964238, 1139554, 1222936, 1402528, 1928476, 2279108, 2445872, 2805056, 3856952, 4558216, 4891744, 6267547, 7713904, 9116432, 9783488, 12535094, 15427808, 18232864, 25070188, 30855616, 36465728, 50140376, 100280752, 200561504, 401123008.
If you add them up, you will get the total of 958,839,840.