209468690

素因数分解:

$2^1\times 5^1\times {\mathrm{193}}^1\times {\mathrm{108533}}^1$

素因数の和:108733

約数の個数: 16

約数和(自身を含む): 379000728

約数和(自身を除く): 169532038

約数列:

[1, 2, 5, 10, 193, 386, 965, 1930, 108533, 217066, 542665, 1085330, 20946869, 41893738, 104734345, 209468690]

約数ペア:

[(1, 209468690), (2, 104734345), (5, 41893738), (10, 20946869), (193, 1085330), (386, 542665), (965, 217066), (1930, 108533)]