81805010

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{166949}}^1$

素因数の和:166970

約数の個数: 24

約数和(自身を含む): 171290700

約数和(自身を除く): 89485690

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 166949, 333898, 834745, 1168643, 1669490, 2337286, 5843215, 8180501, 11686430, 16361002, 40902505, 81805010]

約数ペア:

[(1, 81805010), (2, 40902505), (5, 16361002), (7, 11686430), (10, 8180501), (14, 5843215), (35, 2337286), (49, 1669490), (70, 1168643), (98, 834745), (245, 333898), (490, 166949)]