290465336

素因数分解:

$2^3\times 7^2\times {\mathrm{97}}^1\times {\mathrm{7639}}^1$

素因数の和:7756

約数の個数: 48

約数和(自身を含む): 640155600

約数和(自身を除く): 349690264

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 97, 98, 194, 196, 388, 392, 679, 776, 1358, 2716, 4753, 5432, 7639, 9506, 15278, 19012, 30556, 38024, 53473, 61112, 106946, 213892, 374311, 427784, 740983, 748622, 1481966, 1497244, 2963932, 2994488, 5186881, 5927864, 10373762, 20747524, 36308167, 41495048, 72616334, 145232668, 290465336]

約数ペア:

[(1, 290465336), (2, 145232668), (4, 72616334), (7, 41495048), (8, 36308167), (14, 20747524), (28, 10373762), (49, 5927864), (56, 5186881), (97, 2994488), (98, 2963932), (194, 1497244), (196, 1481966), (388, 748622), (392, 740983), (679, 427784), (776, 374311), (1358, 213892), (2716, 106946), (4753, 61112), (5432, 53473), (7639, 38024), (9506, 30556), (15278, 19012)]