172970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{353}}^1$

素因数の和:374

約数の個数: 24

約数和(自身を含む): 363204

約数和(自身を除く): 190234

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 353, 490, 706, 1765, 2471, 3530, 4942, 12355, 17297, 24710, 34594, 86485, 172970]

約数ペア:

[(1, 172970), (2, 86485), (5, 34594), (7, 24710), (10, 17297), (14, 12355), (35, 4942), (49, 3530), (70, 2471), (98, 1765), (245, 706), (353, 490)]