655123060

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{3947}}^1$

素因数の和:4192

約数の個数: 48

約数和(自身を含む): 1415405376

約数和(自身を除く): 760282316

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 193, 215, 386, 430, 772, 860, 965, 1930, 3860, 3947, 7894, 8299, 15788, 16598, 19735, 33196, 39470, 41495, 78940, 82990, 165980, 169721, 339442, 678884, 761771, 848605, 1523542, 1697210, 3047084, 3394420, 3808855, 7617710, 15235420, 32756153, 65512306, 131024612, 163780765, 327561530, 655123060]

約数ペア:

[(1, 655123060), (2, 327561530), (4, 163780765), (5, 131024612), (10, 65512306), (20, 32756153), (43, 15235420), (86, 7617710), (172, 3808855), (193, 3394420), (215, 3047084), (386, 1697210), (430, 1523542), (772, 848605), (860, 761771), (965, 678884), (1930, 339442), (3860, 169721), (3947, 165980), (7894, 82990), (8299, 78940), (15788, 41495), (16598, 39470), (19735, 33196)]