261950410

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1\times {\mathrm{1447}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 483956352

約数和(自身を除く): 222005942

約数列:

[1, 2, 5, 10, 43, 86, 215, 421, 430, 842, 1447, 2105, 2894, 4210, 7235, 14470, 18103, 36206, 62221, 90515, 124442, 181030, 311105, 609187, 622210, 1218374, 3045935, 6091870, 26195041, 52390082, 130975205, 261950410]

約数ペア:

[(1, 261950410), (2, 130975205), (5, 52390082), (10, 26195041), (43, 6091870), (86, 3045935), (215, 1218374), (421, 622210), (430, 609187), (842, 311105), (1447, 181030), (2105, 124442), (2894, 90515), (4210, 62221), (7235, 36206), (14470, 18103)]