311336928

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:809

約数の個数: 144

約数和(自身を含む): 1017001440

約数和(自身を除く): 705664512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 389, 397, 504, 672, 778, 794, 1008, 1167, 1191, 1556, 1588, 2016, 2334, 2382, 2723, 2779, 3112, 3176, 3501, 3573, 4668, 4764, 5446, 5558, 6224, 6352, 7002, 7146, 8169, 8337, 9336, 9528, 10892, 11116, 12448, 12704, 14004, 14292, 16338, 16674, 18672, 19056, 21784, 22232, 24507, 25011, 28008, 28584, 32676, 33348, 37344, 38112, 43568, 44464, 49014, 50022, 56016, 57168, 65352, 66696, 87136, 88928, 98028, 100044, 112032, 114336, 130704, 133392, 154433, 196056, 200088, 261408, 266784, 308866, 392112, 400176, 463299, 617732, 784224, 800352, 926598, 1081031, 1235464, 1389897, 1853196, 2162062, 2470928, 2779794, 3243093, 3706392, 4324124, 4941856, 5559588, 6486186, 7412784, 8648248, 9729279, 11119176, 12972372, 14825568, 17296496, 19458558, 22238352, 25944744, 34592992, 38917116, 44476704, 51889488, 77834232, 103778976, 155668464, 311336928]

約数ペア:

[(1, 311336928), (2, 155668464), (3, 103778976), (4, 77834232), (6, 51889488), (7, 44476704), (8, 38917116), (9, 34592992), (12, 25944744), (14, 22238352), (16, 19458558), (18, 17296496), (21, 14825568), (24, 12972372), (28, 11119176), (32, 9729279), (36, 8648248), (42, 7412784), (48, 6486186), (56, 5559588), (63, 4941856), (72, 4324124), (84, 3706392), (96, 3243093), (112, 2779794), (126, 2470928), (144, 2162062), (168, 1853196), (224, 1389897), (252, 1235464), (288, 1081031), (336, 926598), (389, 800352), (397, 784224), (504, 617732), (672, 463299), (778, 400176), (794, 392112), (1008, 308866), (1167, 266784), (1191, 261408), (1556, 200088), (1588, 196056), (2016, 154433), (2334, 133392), (2382, 130704), (2723, 114336), (2779, 112032), (3112, 100044), (3176, 98028), (3501, 88928), (3573, 87136), (4668, 66696), (4764, 65352), (5446, 57168), (5558, 56016), (6224, 50022), (6352, 49014), (7002, 44464), (7146, 43568), (8169, 38112), (8337, 37344), (9336, 33348), (9528, 32676), (10892, 28584), (11116, 28008), (12448, 25011), (12704, 24507), (14004, 22232), (14292, 21784), (16338, 19056), (16674, 18672)]