187489310

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{1061}}^1$

素因数の和:1540

約数の個数: 32

約数和(自身を含む): 346840704

約数和(自身を除く): 159351394

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 431, 862, 1061, 2122, 2155, 4310, 5305, 10610, 17671, 35342, 43501, 87002, 88355, 176710, 217505, 435010, 457291, 914582, 2286455, 4572910, 18748931, 37497862, 93744655, 187489310]

約数ペア:

[(1, 187489310), (2, 93744655), (5, 37497862), (10, 18748931), (41, 4572910), (82, 2286455), (205, 914582), (410, 457291), (431, 435010), (862, 217505), (1061, 176710), (2122, 88355), (2155, 87002), (4310, 43501), (5305, 35342), (10610, 17671)]