The factors of the number 420,540,444 are: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 73, 82, 108, 123, 146, 164, 219, 246, 292, 369, 438, 492, 657, 738, 876, 1107, 1301, 1314, 1476, 1971, 2214, 2602, 2628, 2993, 3903, 3942, 4428, 5204, 5986, 7806, 7884, 8979, 11709, 11972, 15612, 17958, 23418, 26937, 35127, 35916, 46836, 53341, 53874, 70254, 80811, 94973, 106682, 107748, 140508, 160023, 161622, 189946, 213364, 284919, 320046, 323244, 379892, 480069, 569838, 640092, 854757, 960138, 1139676, 1440207, 1709514, 1920276, 2564271, 2880414, 3419028, 3893893, 5128542, 5760828, 7787786, 10257084, 11681679, 15575572, 23363358, 35045037, 46726716, 70090074, 105135111, 140180148, 210270222, 420540444.
If you add them up, you will get the total of 1,133,052,480.