205120008

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^2\times {\mathrm{2081}}^1$

素因数の和:2167

約数の個数: 72

約数和(自身を含む): 571227930

約数和(自身を除く): 366107922

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 296, 333, 444, 666, 888, 1332, 1369, 2081, 2664, 2738, 4107, 4162, 5476, 6243, 8214, 8324, 10952, 12321, 12486, 16428, 16648, 18729, 24642, 24972, 32856, 37458, 49284, 49944, 74916, 76997, 98568, 149832, 153994, 230991, 307988, 461982, 615976, 692973, 923964, 1385946, 1847928, 2771892, 2848889, 5543784, 5697778, 8546667, 11395556, 17093334, 22791112, 25640001, 34186668, 51280002, 68373336, 102560004, 205120008]

約数ペア:

[(1, 205120008), (2, 102560004), (3, 68373336), (4, 51280002), (6, 34186668), (8, 25640001), (9, 22791112), (12, 17093334), (18, 11395556), (24, 8546667), (36, 5697778), (37, 5543784), (72, 2848889), (74, 2771892), (111, 1847928), (148, 1385946), (222, 923964), (296, 692973), (333, 615976), (444, 461982), (666, 307988), (888, 230991), (1332, 153994), (1369, 149832), (2081, 98568), (2664, 76997), (2738, 74916), (4107, 49944), (4162, 49284), (5476, 37458), (6243, 32856), (8214, 24972), (8324, 24642), (10952, 18729), (12321, 16648), (12486, 16428)]