400871808

素因数分解:

$2^7\times 3^3\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:817

約数の個数: 128

約数和(自身を含む): 1191237600

約数和(自身を除く): 790365792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 193, 216, 288, 384, 386, 432, 576, 579, 601, 772, 864, 1152, 1158, 1202, 1544, 1728, 1737, 1803, 2316, 2404, 3088, 3456, 3474, 3606, 4632, 4808, 5211, 5409, 6176, 6948, 7212, 9264, 9616, 10422, 10818, 12352, 13896, 14424, 16227, 18528, 19232, 20844, 21636, 24704, 27792, 28848, 32454, 37056, 38464, 41688, 43272, 55584, 57696, 64908, 74112, 76928, 83376, 86544, 111168, 115392, 115993, 129816, 166752, 173088, 222336, 230784, 231986, 259632, 333504, 346176, 347979, 463972, 519264, 667008, 692352, 695958, 927944, 1038528, 1043937, 1391916, 1855888, 2077056, 2087874, 2783832, 3131811, 3711776, 4175748, 5567664, 6263622, 7423552, 8351496, 11135328, 12527244, 14847104, 16702992, 22270656, 25054488, 33405984, 44541312, 50108976, 66811968, 100217952, 133623936, 200435904, 400871808]

約数ペア:

[(1, 400871808), (2, 200435904), (3, 133623936), (4, 100217952), (6, 66811968), (8, 50108976), (9, 44541312), (12, 33405984), (16, 25054488), (18, 22270656), (24, 16702992), (27, 14847104), (32, 12527244), (36, 11135328), (48, 8351496), (54, 7423552), (64, 6263622), (72, 5567664), (96, 4175748), (108, 3711776), (128, 3131811), (144, 2783832), (192, 2087874), (193, 2077056), (216, 1855888), (288, 1391916), (384, 1043937), (386, 1038528), (432, 927944), (576, 695958), (579, 692352), (601, 667008), (772, 519264), (864, 463972), (1152, 347979), (1158, 346176), (1202, 333504), (1544, 259632), (1728, 231986), (1737, 230784), (1803, 222336), (2316, 173088), (2404, 166752), (3088, 129816), (3456, 115993), (3474, 115392), (3606, 111168), (4632, 86544), (4808, 83376), (5211, 76928), (5409, 74112), (6176, 64908), (6948, 57696), (7212, 55584), (9264, 43272), (9616, 41688), (10422, 38464), (10818, 37056), (12352, 32454), (13896, 28848), (14424, 27792), (16227, 24704), (18528, 21636), (19232, 20844)]