209905430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2998649}}^1$

素因数の和:2998663

約数の個数: 16

約数和(自身を含む): 431805600

約数和(自身を除く): 221900170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2998649, 5997298, 14993245, 20990543, 29986490, 41981086, 104952715, 209905430]

約数ペア:

[(1, 209905430), (2, 104952715), (5, 41981086), (7, 29986490), (10, 20990543), (14, 14993245), (35, 5997298), (70, 2998649)]