311383840

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{937}}^1$

素因数の和:1050

約数の個数: 96

約数和(自身を含む): 771531264

約数和(自身を除く): 460147424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 67, 80, 124, 134, 155, 160, 248, 268, 310, 335, 496, 536, 620, 670, 937, 992, 1072, 1240, 1340, 1874, 2077, 2144, 2480, 2680, 3748, 4154, 4685, 4960, 5360, 7496, 8308, 9370, 10385, 10720, 14992, 16616, 18740, 20770, 29047, 29984, 33232, 37480, 41540, 58094, 62779, 66464, 74960, 83080, 116188, 125558, 145235, 149920, 166160, 232376, 251116, 290470, 313895, 332320, 464752, 502232, 580940, 627790, 929504, 1004464, 1161880, 1255580, 1946149, 2008928, 2323760, 2511160, 3892298, 4647520, 5022320, 7784596, 9730745, 10044640, 15569192, 19461490, 31138384, 38922980, 62276768, 77845960, 155691920, 311383840]

約数ペア:

[(1, 311383840), (2, 155691920), (4, 77845960), (5, 62276768), (8, 38922980), (10, 31138384), (16, 19461490), (20, 15569192), (31, 10044640), (32, 9730745), (40, 7784596), (62, 5022320), (67, 4647520), (80, 3892298), (124, 2511160), (134, 2323760), (155, 2008928), (160, 1946149), (248, 1255580), (268, 1161880), (310, 1004464), (335, 929504), (496, 627790), (536, 580940), (620, 502232), (670, 464752), (937, 332320), (992, 313895), (1072, 290470), (1240, 251116), (1340, 232376), (1874, 166160), (2077, 149920), (2144, 145235), (2480, 125558), (2680, 116188), (3748, 83080), (4154, 74960), (4685, 66464), (4960, 62779), (5360, 58094), (7496, 41540), (8308, 37480), (9370, 33232), (10385, 29984), (10720, 29047), (14992, 20770), (16616, 18740)]