209809580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{617087}}^1$

素因数の和:617113

約数の個数: 24

約数和(自身を含む): 466518528

約数和(自身を除く): 256708948

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 617087, 1234174, 2468348, 3085435, 6170870, 10490479, 12341740, 20980958, 41961916, 52452395, 104904790, 209809580]

約数ペア:

[(1, 209809580), (2, 104904790), (4, 52452395), (5, 41961916), (10, 20980958), (17, 12341740), (20, 10490479), (34, 6170870), (68, 3085435), (85, 2468348), (170, 1234174), (340, 617087)]