137465840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:594

約数の個数: 80

約数和(自身を含む): 331452000

約数和(自身を除く): 193986160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 178, 215, 344, 356, 430, 445, 449, 688, 712, 860, 890, 898, 1424, 1720, 1780, 1796, 2245, 3440, 3560, 3592, 3827, 4490, 7120, 7184, 7654, 8980, 15308, 17960, 19135, 19307, 30616, 35920, 38270, 38614, 39961, 61232, 76540, 77228, 79922, 96535, 153080, 154456, 159844, 193070, 199805, 306160, 308912, 319688, 386140, 399610, 639376, 772280, 799220, 1544560, 1598440, 1718323, 3196880, 3436646, 6873292, 8591615, 13746584, 17183230, 27493168, 34366460, 68732920, 137465840]

約数ペア:

[(1, 137465840), (2, 68732920), (4, 34366460), (5, 27493168), (8, 17183230), (10, 13746584), (16, 8591615), (20, 6873292), (40, 3436646), (43, 3196880), (80, 1718323), (86, 1598440), (89, 1544560), (172, 799220), (178, 772280), (215, 639376), (344, 399610), (356, 386140), (430, 319688), (445, 308912), (449, 306160), (688, 199805), (712, 193070), (860, 159844), (890, 154456), (898, 153080), (1424, 96535), (1720, 79922), (1780, 77228), (1796, 76540), (2245, 61232), (3440, 39961), (3560, 38614), (3592, 38270), (3827, 35920), (4490, 30616), (7120, 19307), (7184, 19135), (7654, 17960), (8980, 15308)]