209542010

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{487307}}^1$

素因数の和:487357

約数の個数: 16

約数和(自身を含む): 385947936

約数和(自身を除く): 176405926

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 487307, 974614, 2436535, 4873070, 20954201, 41908402, 104771005, 209542010]

約数ペア:

[(1, 209542010), (2, 104771005), (5, 41908402), (10, 20954201), (43, 4873070), (86, 2436535), (215, 974614), (430, 487307)]