290464810

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{397897}}^1$

素因数の和:397977

約数の個数: 16

約数和(自身を含む): 530000136

約数和(自身を除く): 239535326

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 397897, 795794, 1989485, 3978970, 29046481, 58092962, 145232405, 290464810]

約数ペア:

[(1, 290464810), (2, 145232405), (5, 58092962), (10, 29046481), (73, 3978970), (146, 1989485), (365, 795794), (730, 397897)]