209312810

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{427169}}^1$

素因数の和:427190

約数の個数: 24

約数和(自身を含む): 438276420

約数和(自身を除く): 228963610

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 427169, 854338, 2135845, 2990183, 4271690, 5980366, 14950915, 20931281, 29901830, 41862562, 104656405, 209312810]

約数ペア:

[(1, 209312810), (2, 104656405), (5, 41862562), (7, 29901830), (10, 20931281), (14, 14950915), (35, 5980366), (49, 4271690), (70, 2990183), (98, 2135845), (245, 854338), (490, 427169)]