171950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:212

約数の個数: 24

約数和(自身を含む): 338520

約数和(自身を除く): 166570

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 181, 190, 362, 475, 905, 950, 1810, 3439, 4525, 6878, 9050, 17195, 34390, 85975, 171950]

約数ペア:

[(1, 171950), (2, 85975), (5, 34390), (10, 17195), (19, 9050), (25, 6878), (38, 4525), (50, 3439), (95, 1810), (181, 950), (190, 905), (362, 475)]