156294680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 364240800

約数和(自身を除く): 207946120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 89, 172, 178, 215, 344, 356, 430, 445, 712, 860, 890, 1021, 1720, 1780, 2042, 3560, 3827, 4084, 5105, 7654, 8168, 10210, 15308, 19135, 20420, 30616, 38270, 40840, 43903, 76540, 87806, 90869, 153080, 175612, 181738, 219515, 351224, 363476, 439030, 454345, 726952, 878060, 908690, 1756120, 1817380, 3634760, 3907367, 7814734, 15629468, 19536835, 31258936, 39073670, 78147340, 156294680]

約数ペア:

[(1, 156294680), (2, 78147340), (4, 39073670), (5, 31258936), (8, 19536835), (10, 15629468), (20, 7814734), (40, 3907367), (43, 3634760), (86, 1817380), (89, 1756120), (172, 908690), (178, 878060), (215, 726952), (344, 454345), (356, 439030), (430, 363476), (445, 351224), (712, 219515), (860, 181738), (890, 175612), (1021, 153080), (1720, 90869), (1780, 87806), (2042, 76540), (3560, 43903), (3827, 40840), (4084, 38270), (5105, 30616), (7654, 20420), (8168, 19135), (10210, 15308)]