2015390825

素因数分解:

$5^2\times 7^3\times {\mathrm{97}}^1\times {\mathrm{2423}}^1$

素因数の和:2551

約数の個数: 48

約数和(自身を含む): 2945644800

約数和(自身を除く): 930253975

約数列:

[1, 5, 7, 25, 35, 49, 97, 175, 245, 343, 485, 679, 1225, 1715, 2423, 2425, 3395, 4753, 8575, 12115, 16961, 16975, 23765, 33271, 60575, 84805, 118727, 118825, 166355, 235031, 424025, 593635, 831089, 831775, 1175155, 1645217, 2968175, 4155445, 5875775, 8226085, 11516519, 20777225, 41130425, 57582595, 80615633, 287912975, 403078165, 2015390825]

約数ペア:

[(1, 2015390825), (5, 403078165), (7, 287912975), (25, 80615633), (35, 57582595), (49, 41130425), (97, 20777225), (175, 11516519), (245, 8226085), (343, 5875775), (485, 4155445), (679, 2968175), (1225, 1645217), (1715, 1175155), (2423, 831775), (2425, 831089), (3395, 593635), (4753, 424025), (8575, 235031), (12115, 166355), (16961, 118825), (16975, 118727), (23765, 84805), (33271, 60575)]