400073784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{919}}^1$

素因数の和:1053

約数の個数: 128

約数和(自身を含む): 1168473600

約数和(自身を除く): 768399816

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 97, 102, 132, 136, 187, 194, 204, 264, 291, 374, 388, 408, 561, 582, 748, 776, 919, 1067, 1122, 1164, 1496, 1649, 1838, 2134, 2244, 2328, 2757, 3201, 3298, 3676, 4268, 4488, 4947, 5514, 6402, 6596, 7352, 8536, 9894, 10109, 11028, 12804, 13192, 15623, 18139, 19788, 20218, 22056, 25608, 30327, 31246, 36278, 39576, 40436, 46869, 54417, 60654, 62492, 72556, 80872, 89143, 93738, 108834, 121308, 124984, 145112, 171853, 178286, 187476, 217668, 242616, 267429, 343706, 356572, 374952, 435336, 515559, 534858, 687412, 713144, 980573, 1031118, 1069716, 1374824, 1515431, 1961146, 2062236, 2139432, 2941719, 3030862, 3922292, 4124472, 4546293, 5883438, 6061724, 7844584, 9092586, 11766876, 12123448, 16669741, 18185172, 23533752, 33339482, 36370344, 50009223, 66678964, 100018446, 133357928, 200036892, 400073784]

約数ペア:

[(1, 400073784), (2, 200036892), (3, 133357928), (4, 100018446), (6, 66678964), (8, 50009223), (11, 36370344), (12, 33339482), (17, 23533752), (22, 18185172), (24, 16669741), (33, 12123448), (34, 11766876), (44, 9092586), (51, 7844584), (66, 6061724), (68, 5883438), (88, 4546293), (97, 4124472), (102, 3922292), (132, 3030862), (136, 2941719), (187, 2139432), (194, 2062236), (204, 1961146), (264, 1515431), (291, 1374824), (374, 1069716), (388, 1031118), (408, 980573), (561, 713144), (582, 687412), (748, 534858), (776, 515559), (919, 435336), (1067, 374952), (1122, 356572), (1164, 343706), (1496, 267429), (1649, 242616), (1838, 217668), (2134, 187476), (2244, 178286), (2328, 171853), (2757, 145112), (3201, 124984), (3298, 121308), (3676, 108834), (4268, 93738), (4488, 89143), (4947, 80872), (5514, 72556), (6402, 62492), (6596, 60654), (7352, 54417), (8536, 46869), (9894, 40436), (10109, 39576), (11028, 36278), (12804, 31246), (13192, 30327), (15623, 25608), (18139, 22056), (19788, 20218)]