278300792

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{277}}^1$

素因数の和:541

約数の個数: 96

約数和(自身を含む): 667433520

約数和(自身を除く): 389132728

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 233, 277, 308, 392, 466, 539, 554, 616, 932, 1078, 1108, 1631, 1864, 1939, 2156, 2216, 2563, 3047, 3262, 3878, 4312, 5126, 6094, 6524, 7756, 10252, 11417, 12188, 13048, 13573, 15512, 17941, 20504, 21329, 22834, 24376, 27146, 35882, 42658, 45668, 54292, 64541, 71764, 85316, 91336, 108584, 125587, 129082, 143528, 149303, 170632, 251174, 258164, 298606, 451787, 502348, 516328, 597212, 709951, 903574, 1004696, 1194424, 1419902, 1807148, 2839804, 3162509, 3614296, 4969657, 5679608, 6325018, 9939314, 12650036, 19878628, 25300072, 34787599, 39757256, 69575198, 139150396, 278300792]

約数ペア:

[(1, 278300792), (2, 139150396), (4, 69575198), (7, 39757256), (8, 34787599), (11, 25300072), (14, 19878628), (22, 12650036), (28, 9939314), (44, 6325018), (49, 5679608), (56, 4969657), (77, 3614296), (88, 3162509), (98, 2839804), (154, 1807148), (196, 1419902), (233, 1194424), (277, 1004696), (308, 903574), (392, 709951), (466, 597212), (539, 516328), (554, 502348), (616, 451787), (932, 298606), (1078, 258164), (1108, 251174), (1631, 170632), (1864, 149303), (1939, 143528), (2156, 129082), (2216, 125587), (2563, 108584), (3047, 91336), (3262, 85316), (3878, 71764), (4312, 64541), (5126, 54292), (6094, 45668), (6524, 42658), (7756, 35882), (10252, 27146), (11417, 24376), (12188, 22834), (13048, 21329), (13573, 20504), (15512, 17941)]