399842208

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 1180539360

約数和(自身を除く): 780697152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 83, 86, 96, 129, 144, 166, 172, 249, 258, 288, 332, 344, 387, 389, 498, 516, 664, 688, 747, 774, 778, 996, 1032, 1167, 1328, 1376, 1494, 1548, 1556, 1992, 2064, 2334, 2656, 2988, 3096, 3112, 3501, 3569, 3984, 4128, 4668, 5976, 6192, 6224, 7002, 7138, 7968, 9336, 10707, 11952, 12384, 12448, 14004, 14276, 16727, 18672, 21414, 23904, 28008, 28552, 32121, 32287, 33454, 37344, 42828, 50181, 56016, 57104, 64242, 64574, 66908, 85656, 96861, 100362, 112032, 114208, 128484, 129148, 133816, 150543, 171312, 193722, 200724, 256968, 258296, 267632, 290583, 301086, 342624, 387444, 401448, 513936, 516592, 535264, 581166, 602172, 774888, 802896, 1027872, 1033184, 1162332, 1204344, 1388341, 1549776, 1605792, 2324664, 2408688, 2776682, 3099552, 4165023, 4649328, 4817376, 5553364, 8330046, 9298656, 11106728, 12495069, 16660092, 22213456, 24990138, 33320184, 44426912, 49980276, 66640368, 99960552, 133280736, 199921104, 399842208]

約数ペア:

[(1, 399842208), (2, 199921104), (3, 133280736), (4, 99960552), (6, 66640368), (8, 49980276), (9, 44426912), (12, 33320184), (16, 24990138), (18, 22213456), (24, 16660092), (32, 12495069), (36, 11106728), (43, 9298656), (48, 8330046), (72, 5553364), (83, 4817376), (86, 4649328), (96, 4165023), (129, 3099552), (144, 2776682), (166, 2408688), (172, 2324664), (249, 1605792), (258, 1549776), (288, 1388341), (332, 1204344), (344, 1162332), (387, 1033184), (389, 1027872), (498, 802896), (516, 774888), (664, 602172), (688, 581166), (747, 535264), (774, 516592), (778, 513936), (996, 401448), (1032, 387444), (1167, 342624), (1328, 301086), (1376, 290583), (1494, 267632), (1548, 258296), (1556, 256968), (1992, 200724), (2064, 193722), (2334, 171312), (2656, 150543), (2988, 133816), (3096, 129148), (3112, 128484), (3501, 114208), (3569, 112032), (3984, 100362), (4128, 96861), (4668, 85656), (5976, 66908), (6192, 64574), (6224, 64242), (7002, 57104), (7138, 56016), (7968, 50181), (9336, 42828), (10707, 37344), (11952, 33454), (12384, 32287), (12448, 32121), (14004, 28552), (14276, 28008), (16727, 23904), (18672, 21414)]