309489920

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5623}}^1$

素因数の和:5687

約数の個数: 72

約数和(自身を含む): 758700096

約数和(自身を除く): 449210176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2752, 3440, 5504, 5623, 6880, 11008, 11246, 13760, 22492, 27520, 28115, 44984, 55040, 56230, 89968, 112460, 179936, 224920, 241789, 359872, 449840, 483578, 719744, 899680, 967156, 1208945, 1439488, 1799360, 1934312, 2417890, 3598720, 3868624, 4835780, 7197440, 7737248, 9671560, 15474496, 19343120, 30948992, 38686240, 61897984, 77372480, 154744960, 309489920]

約数ペア:

[(1, 309489920), (2, 154744960), (4, 77372480), (5, 61897984), (8, 38686240), (10, 30948992), (16, 19343120), (20, 15474496), (32, 9671560), (40, 7737248), (43, 7197440), (64, 4835780), (80, 3868624), (86, 3598720), (128, 2417890), (160, 1934312), (172, 1799360), (215, 1439488), (256, 1208945), (320, 967156), (344, 899680), (430, 719744), (640, 483578), (688, 449840), (860, 359872), (1280, 241789), (1376, 224920), (1720, 179936), (2752, 112460), (3440, 89968), (5504, 56230), (5623, 55040), (6880, 44984), (11008, 28115), (11246, 27520), (13760, 22492)]