191350

素因数分解:

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

素因数の和:144

約数の個数: 24

約数和(自身を含む): 368280

約数和(自身を除く): 176930

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 89, 178, 215, 430, 445, 890, 1075, 2150, 2225, 3827, 4450, 7654, 19135, 38270, 95675, 191350]

約数ペア:

[(1, 191350), (2, 95675), (5, 38270), (10, 19135), (25, 7654), (43, 4450), (50, 3827), (86, 2225), (89, 2150), (178, 1075), (215, 890), (430, 445)]