The factors of the number 120,425,328 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 53, 62, 72, 93, 106, 124, 144, 159, 186, 212, 248, 279, 318, 372, 424, 477, 496, 509, 558, 636, 744, 848, 954, 1018, 1116, 1272, 1488, 1527, 1643, 1908, 2036, 2232, 2544, 3054, 3286, 3816, 4072, 4464, 4581, 4929, 6108, 6572, 7632, 8144, 9162, 9858, 12216, 13144, 14787, 15779, 18324, 19716, 24432, 26288, 26977, 29574, 31558, 36648, 39432, 47337, 53954, 59148, 63116, 73296, 78864, 80931, 94674, 107908, 118296, 126232, 142011, 161862, 189348, 215816, 236592, 242793, 252464, 284022, 323724, 378696, 431632, 485586, 568044, 647448, 757392, 836287, 971172, 1136088, 1294896, 1672574, 1942344, 2272176, 2508861, 3345148, 3884688, 5017722, 6690296, 7526583, 10035444, 13380592, 15053166, 20070888, 30106332, 40141776, 60212664, 120425328.
If you add them up, you will get the total of 355,155,840.