208538180

素因数分解:

$2^2\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{9059}}^1$

素因数の和:10219

約数の個数: 24

約数和(自身を含む): 438359040

約数和(自身を除く): 229820860

約数列:

[1, 2, 4, 5, 10, 20, 1151, 2302, 4604, 5755, 9059, 11510, 18118, 23020, 36236, 45295, 90590, 181180, 10426909, 20853818, 41707636, 52134545, 104269090, 208538180]

約数ペア:

[(1, 208538180), (2, 104269090), (4, 52134545), (5, 41707636), (10, 20853818), (20, 10426909), (1151, 181180), (2302, 90590), (4604, 45295), (5755, 36236), (9059, 23020), (11510, 18118)]