The factors of the number 2,303,028 are: 1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 37, 38, 39, 42, 52, 57, 63, 74, 76, 78, 84, 91, 111, 114, 117, 126, 133, 148, 156, 171, 182, 222, 228, 234, 247, 252, 259, 266, 273, 333, 342, 364, 399, 444, 468, 481, 494, 518, 532, 546, 666, 684, 703, 741, 777, 798, 819, 962, 988, 1036, 1092, 1197, 1332, 1406, 1443, 1482, 1554, 1596, 1638, 1729, 1924, 2109, 2223, 2331, 2394, 2812, 2886, 2964, 3108, 3276, 3367, 3458, 4218, 4329, 4446, 4662, 4788, 4921, 5187, 5772, 6327, 6734, 6916, 8436, 8658, 8892, 9139, 9324, 9842, 10101, 10374, 12654, 13468, 14763, 15561, 17316, 18278, 19684, 20202, 20748, 25308, 27417, 29526, 30303, 31122, 36556, 40404, 44289, 54834, 59052, 60606, 62244, 63973, 82251, 88578, 109668, 121212, 127946, 164502, 177156, 191919, 255892, 329004, 383838, 575757, 767676, 1151514, 2303028.
If you add them up, you will get the total of 7,745,920.