306160

素因数分解:

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

素因数の和:145

約数の個数: 40

約数和(自身を含む): 736560

約数和(自身を除く): 430400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 172, 178, 215, 344, 356, 430, 445, 688, 712, 860, 890, 1424, 1720, 1780, 3440, 3560, 3827, 7120, 7654, 15308, 19135, 30616, 38270, 61232, 76540, 153080, 306160]

約数ペア:

[(1, 306160), (2, 153080), (4, 76540), (5, 61232), (8, 38270), (10, 30616), (16, 19135), (20, 15308), (40, 7654), (43, 7120), (80, 3827), (86, 3560), (89, 3440), (172, 1780), (178, 1720), (215, 1424), (344, 890), (356, 860), (430, 712), (445, 688)]