210897370

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{490459}}^1$

素因数の和:490509

約数の個数: 16

約数和(自身を含む): 388444320

約数和(自身を除く): 177546950

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 490459, 980918, 2452295, 4904590, 21089737, 42179474, 105448685, 210897370]

約数ペア:

[(1, 210897370), (2, 105448685), (5, 42179474), (10, 21089737), (43, 4904590), (86, 2452295), (215, 980918), (430, 490459)]