290469580

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{41143}}^1$

素因数の和:41505

約数の個数: 24

約数和(自身を含む): 611728992

約数和(自身を除く): 321259412

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1765, 3530, 7060, 41143, 82286, 164572, 205715, 411430, 822860, 14523479, 29046958, 58093916, 72617395, 145234790, 290469580]

約数ペア:

[(1, 290469580), (2, 145234790), (4, 72617395), (5, 58093916), (10, 29046958), (20, 14523479), (353, 822860), (706, 411430), (1412, 205715), (1765, 164572), (3530, 82286), (7060, 41143)]