90406210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{210247}}^1$

素因数の和:210297

約数の個数: 16

約数和(自身を含む): 166516416

約数和(自身を除く): 76110206

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 210247, 420494, 1051235, 2102470, 9040621, 18081242, 45203105, 90406210]

約数ペア:

[(1, 90406210), (2, 45203105), (5, 18081242), (10, 9040621), (43, 2102470), (86, 1051235), (215, 420494), (430, 210247)]