890770864

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{691}}^1$

素因数の和:866

約数の個数: 80

約数和(自身を含む): 1878165504

約数和(自身を除く): 987394640

約数列:

[1, 2, 4, 8, 16, 23, 31, 46, 62, 92, 113, 124, 184, 226, 248, 368, 452, 496, 691, 713, 904, 1382, 1426, 1808, 2599, 2764, 2852, 3503, 5198, 5528, 5704, 7006, 10396, 11056, 11408, 14012, 15893, 20792, 21421, 28024, 31786, 41584, 42842, 56048, 63572, 78083, 80569, 85684, 127144, 156166, 161138, 171368, 254288, 312332, 322276, 342736, 492683, 624664, 644552, 985366, 1249328, 1289104, 1795909, 1970732, 2420573, 3591818, 3941464, 4841146, 7183636, 7882928, 9682292, 14367272, 19364584, 28734544, 38729168, 55673179, 111346358, 222692716, 445385432, 890770864]

約数ペア:

[(1, 890770864), (2, 445385432), (4, 222692716), (8, 111346358), (16, 55673179), (23, 38729168), (31, 28734544), (46, 19364584), (62, 14367272), (92, 9682292), (113, 7882928), (124, 7183636), (184, 4841146), (226, 3941464), (248, 3591818), (368, 2420573), (452, 1970732), (496, 1795909), (691, 1289104), (713, 1249328), (904, 985366), (1382, 644552), (1426, 624664), (1808, 492683), (2599, 342736), (2764, 322276), (2852, 312332), (3503, 254288), (5198, 171368), (5528, 161138), (5704, 156166), (7006, 127144), (10396, 85684), (11056, 80569), (11408, 78083), (14012, 63572), (15893, 56048), (20792, 42842), (21421, 41584), (28024, 31786)]