7140440

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1303}}^1$

素因数の和:1451

約数の個数: 32

約数和(自身を含む): 16195680

約数和(自身を除く): 9055240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1303, 1370, 2606, 2740, 5212, 5480, 6515, 10424, 13030, 26060, 52120, 178511, 357022, 714044, 892555, 1428088, 1785110, 3570220, 7140440]

約数ペア:

[(1, 7140440), (2, 3570220), (4, 1785110), (5, 1428088), (8, 892555), (10, 714044), (20, 357022), (40, 178511), (137, 52120), (274, 26060), (548, 13030), (685, 10424), (1096, 6515), (1303, 5480), (1370, 5212), (2606, 2740)]