178375212

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{587}}^1$

素因数の和:987

約数の個数: 72

約数和(自身を含む): 472582656

約数和(自身を除く): 294207444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 367, 414, 587, 734, 828, 1101, 1174, 1468, 1761, 2202, 2348, 3303, 3522, 4404, 5283, 6606, 7044, 8441, 10566, 13212, 13501, 16882, 21132, 25323, 27002, 33764, 40503, 50646, 54004, 75969, 81006, 101292, 121509, 151938, 162012, 215429, 243018, 303876, 430858, 486036, 646287, 861716, 1292574, 1938861, 2585148, 3877722, 4954867, 7755444, 9909734, 14864601, 19819468, 29729202, 44593803, 59458404, 89187606, 178375212]

約数ペア:

[(1, 178375212), (2, 89187606), (3, 59458404), (4, 44593803), (6, 29729202), (9, 19819468), (12, 14864601), (18, 9909734), (23, 7755444), (36, 4954867), (46, 3877722), (69, 2585148), (92, 1938861), (138, 1292574), (207, 861716), (276, 646287), (367, 486036), (414, 430858), (587, 303876), (734, 243018), (828, 215429), (1101, 162012), (1174, 151938), (1468, 121509), (1761, 101292), (2202, 81006), (2348, 75969), (3303, 54004), (3522, 50646), (4404, 40503), (5283, 33764), (6606, 27002), (7044, 25323), (8441, 21132), (10566, 16882), (13212, 13501)]