199302880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{177949}}^1$

素因数の和:177971

約数の個数: 48

約数和(自身を含む): 538120800

約数和(自身を除く): 338817920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 177949, 355898, 711796, 889745, 1245643, 1423592, 1779490, 2491286, 2847184, 3558980, 4982572, 5694368, 6228215, 7117960, 9965144, 12456430, 14235920, 19930288, 24912860, 28471840, 39860576, 49825720, 99651440, 199302880]

約数ペア:

[(1, 199302880), (2, 99651440), (4, 49825720), (5, 39860576), (7, 28471840), (8, 24912860), (10, 19930288), (14, 14235920), (16, 12456430), (20, 9965144), (28, 7117960), (32, 6228215), (35, 5694368), (40, 4982572), (56, 3558980), (70, 2847184), (80, 2491286), (112, 1779490), (140, 1423592), (160, 1245643), (224, 889745), (280, 711796), (560, 355898), (1120, 177949)]