281502020

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{131543}}^1$

素因数の和:131659

約数の個数: 24

約数和(自身を含む): 596683584

約数和(自身を除く): 315181564

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 131543, 263086, 526172, 657715, 1315430, 2630860, 14075101, 28150202, 56300404, 70375505, 140751010, 281502020]

約数ペア:

[(1, 281502020), (2, 140751010), (4, 70375505), (5, 56300404), (10, 28150202), (20, 14075101), (107, 2630860), (214, 1315430), (428, 657715), (535, 526172), (1070, 263086), (2140, 131543)]