289797940

素因数分解:

$2^2\times 5^1\times {\mathrm{3511}}^1\times {\mathrm{4127}}^1$

素因数の和:7647

約数の個数: 24

約数和(自身を含む): 608896512

約数和(自身を除く): 319098572

約数列:

[1, 2, 4, 5, 10, 20, 3511, 4127, 7022, 8254, 14044, 16508, 17555, 20635, 35110, 41270, 70220, 82540, 14489897, 28979794, 57959588, 72449485, 144898970, 289797940]

約数ペア:

[(1, 289797940), (2, 144898970), (4, 72449485), (5, 57959588), (10, 28979794), (20, 14489897), (3511, 82540), (4127, 70220), (7022, 41270), (8254, 35110), (14044, 20635), (16508, 17555)]