201490220

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{138007}}^1$

素因数の和:138089

約数の個数: 24

約数和(自身を含む): 428928864

約数和(自身を除く): 227438644

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 138007, 276014, 552028, 690035, 1380070, 2760140, 10074511, 20149022, 40298044, 50372555, 100745110, 201490220]

約数ペア:

[(1, 201490220), (2, 100745110), (4, 50372555), (5, 40298044), (10, 20149022), (20, 10074511), (73, 2760140), (146, 1380070), (292, 690035), (365, 552028), (730, 276014), (1460, 138007)]