40704118

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 80640000

約数和(自身を除く): 39935882

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 79, 91, 133, 149, 158, 182, 247, 266, 298, 494, 553, 1027, 1043, 1106, 1501, 1729, 1937, 2054, 2086, 2831, 3002, 3458, 3874, 5662, 7189, 10507, 11771, 13559, 14378, 19513, 19817, 21014, 23542, 27118, 36803, 39026, 39634, 73606, 82397, 136591, 153023, 164794, 223649, 257621, 273182, 306046, 447298, 515242, 1071161, 1565543, 2142322, 2907437, 3131086, 5814874, 20352059, 40704118]

約数ペア:

[(1, 40704118), (2, 20352059), (7, 5814874), (13, 3131086), (14, 2907437), (19, 2142322), (26, 1565543), (38, 1071161), (79, 515242), (91, 447298), (133, 306046), (149, 273182), (158, 257621), (182, 223649), (247, 164794), (266, 153023), (298, 136591), (494, 82397), (553, 73606), (1027, 39634), (1043, 39026), (1106, 36803), (1501, 27118), (1729, 23542), (1937, 21014), (2054, 19817), (2086, 19513), (2831, 14378), (3002, 13559), (3458, 11771), (3874, 10507), (5662, 7189)]