40144990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:549

約数の個数: 48

約数和(自身を含む): 79574400

約数和(自身を除く): 39429410

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 289, 290, 479, 493, 578, 958, 986, 1445, 2395, 2465, 2890, 4790, 4930, 8143, 8381, 13891, 16286, 16762, 27782, 40715, 41905, 69455, 81430, 83810, 138431, 138910, 236147, 276862, 472294, 692155, 1180735, 1384310, 2361470, 4014499, 8028998, 20072495, 40144990]

約数ペア:

[(1, 40144990), (2, 20072495), (5, 8028998), (10, 4014499), (17, 2361470), (29, 1384310), (34, 1180735), (58, 692155), (85, 472294), (145, 276862), (170, 236147), (289, 138910), (290, 138431), (479, 83810), (493, 81430), (578, 69455), (958, 41905), (986, 40715), (1445, 27782), (2395, 16762), (2465, 16286), (2890, 13891), (4790, 8381), (4930, 8143)]