276768280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{68507}}^1$

素因数の和:68619

約数の個数: 32

約数和(自身を含む): 628903440

約数和(自身を除く): 352135160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 68507, 137014, 274028, 342535, 548056, 685070, 1370140, 2740280, 6919207, 13838414, 27676828, 34596035, 55353656, 69192070, 138384140, 276768280]

約数ペア:

[(1, 276768280), (2, 138384140), (4, 69192070), (5, 55353656), (8, 34596035), (10, 27676828), (20, 13838414), (40, 6919207), (101, 2740280), (202, 1370140), (404, 685070), (505, 548056), (808, 342535), (1010, 274028), (2020, 137014), (4040, 68507)]