205200910

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{65981}}^1$

素因数の和:66299

約数の個数: 16

約数和(自身を含む): 370554912

約数和(自身を除く): 165354002

約数列:

[1, 2, 5, 10, 311, 622, 1555, 3110, 65981, 131962, 329905, 659810, 20520091, 41040182, 102600455, 205200910]

約数ペア:

[(1, 205200910), (2, 102600455), (5, 41040182), (10, 20520091), (311, 659810), (622, 329905), (1555, 131962), (3110, 65981)]