205150860

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{379909}}^1$

素因数の和:379927

約数の個数: 48

約数和(自身を含む): 638248800

約数和(自身を除く): 433097940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 379909, 759818, 1139727, 1519636, 1899545, 2279454, 3419181, 3799090, 4558908, 5698635, 6838362, 7598180, 10257543, 11397270, 13676724, 17095905, 20515086, 22794540, 34191810, 41030172, 51287715, 68383620, 102575430, 205150860]

約数ペア:

[(1, 205150860), (2, 102575430), (3, 68383620), (4, 51287715), (5, 41030172), (6, 34191810), (9, 22794540), (10, 20515086), (12, 17095905), (15, 13676724), (18, 11397270), (20, 10257543), (27, 7598180), (30, 6838362), (36, 5698635), (45, 4558908), (54, 3799090), (60, 3419181), (90, 2279454), (108, 1899545), (135, 1519636), (180, 1139727), (270, 759818), (540, 379909)]