189997370

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{240503}}^1$

素因数の和:240589

約数の個数: 16

約数和(自身を含む): 346325760

約数和(自身を除く): 156328390

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 240503, 481006, 1202515, 2405030, 18999737, 37999474, 94998685, 189997370]

約数ペア:

[(1, 189997370), (2, 94998685), (5, 37999474), (10, 18999737), (79, 2405030), (158, 1202515), (395, 481006), (790, 240503)]