779026790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2141

約数の個数: 64

約数和(自身を含む): 1558310400

約数和(自身を除く): 779283610

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 115, 178, 190, 230, 437, 445, 874, 890, 1691, 2003, 2047, 2185, 3382, 4006, 4094, 4370, 8455, 10015, 10235, 16910, 20030, 20470, 38057, 38893, 46069, 76114, 77786, 92138, 178267, 190285, 194465, 230345, 356534, 380570, 388930, 460690, 875311, 891335, 1750622, 1782670, 3387073, 4100141, 4376555, 6774146, 8200282, 8753110, 16935365, 20500705, 33870730, 41001410, 77902679, 155805358, 389513395, 779026790]

約数ペア:

[(1, 779026790), (2, 389513395), (5, 155805358), (10, 77902679), (19, 41001410), (23, 33870730), (38, 20500705), (46, 16935365), (89, 8753110), (95, 8200282), (115, 6774146), (178, 4376555), (190, 4100141), (230, 3387073), (437, 1782670), (445, 1750622), (874, 891335), (890, 875311), (1691, 460690), (2003, 388930), (2047, 380570), (2185, 356534), (3382, 230345), (4006, 194465), (4094, 190285), (4370, 178267), (8455, 92138), (10015, 77786), (10235, 76114), (16910, 46069), (20030, 38893), (20470, 38057)]