138890060

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{34897}}^1$

素因数の和:35105

約数の個数: 24

約数和(自身を含む): 293143200

約数和(自身を除く): 154253140

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 34897, 69794, 139588, 174485, 348970, 697940, 6944503, 13889006, 27778012, 34722515, 69445030, 138890060]

約数ペア:

[(1, 138890060), (2, 69445030), (4, 34722515), (5, 27778012), (10, 13889006), (20, 6944503), (199, 697940), (398, 348970), (796, 174485), (995, 139588), (1990, 69794), (3980, 34897)]