389612440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{4129}}^1$

素因数の和:4484

約数の個数: 64

約数和(自身を含む): 1005076800

約数和(自身を除く): 615464360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 337, 674, 1348, 1685, 2359, 2696, 3370, 4129, 4718, 6740, 8258, 9436, 11795, 13480, 16516, 18872, 20645, 23590, 28903, 33032, 41290, 47180, 57806, 82580, 94360, 115612, 144515, 165160, 231224, 289030, 578060, 1156120, 1391473, 2782946, 5565892, 6957365, 9740311, 11131784, 13914730, 19480622, 27829460, 38961244, 48701555, 55658920, 77922488, 97403110, 194806220, 389612440]

約数ペア:

[(1, 389612440), (2, 194806220), (4, 97403110), (5, 77922488), (7, 55658920), (8, 48701555), (10, 38961244), (14, 27829460), (20, 19480622), (28, 13914730), (35, 11131784), (40, 9740311), (56, 6957365), (70, 5565892), (140, 2782946), (280, 1391473), (337, 1156120), (674, 578060), (1348, 289030), (1685, 231224), (2359, 165160), (2696, 144515), (3370, 115612), (4129, 94360), (4718, 82580), (6740, 57806), (8258, 47180), (9436, 41290), (11795, 33032), (13480, 28903), (16516, 23590), (18872, 20645)]