715105825

素因数分解:

$5^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 1036322560

約数和(自身を除く): 321216735

約数列:

[1, 5, 7, 25, 35, 97, 103, 175, 409, 485, 515, 679, 721, 2045, 2425, 2575, 2863, 3395, 3605, 9991, 10225, 14315, 16975, 18025, 39673, 42127, 49955, 69937, 71575, 198365, 210635, 249775, 277711, 294889, 349685, 991825, 1053175, 1388555, 1474445, 1748425, 4086319, 6942775, 7372225, 20431595, 28604233, 102157975, 143021165, 715105825]

約数ペア:

[(1, 715105825), (5, 143021165), (7, 102157975), (25, 28604233), (35, 20431595), (97, 7372225), (103, 6942775), (175, 4086319), (409, 1748425), (485, 1474445), (515, 1388555), (679, 1053175), (721, 991825), (2045, 349685), (2425, 294889), (2575, 277711), (2863, 249775), (3395, 210635), (3605, 198365), (9991, 71575), (10225, 69937), (14315, 49955), (16975, 42127), (18025, 39673)]