12390875

素因数分解:

$5^3\times 7^3\times {\mathrm{17}}^2$

素因数の和:70

約数の個数: 48

約数和(自身を含む): 19156800

約数和(自身を除く): 6765925

約数列:

[1, 5, 7, 17, 25, 35, 49, 85, 119, 125, 175, 245, 289, 343, 425, 595, 833, 875, 1225, 1445, 1715, 2023, 2125, 2975, 4165, 5831, 6125, 7225, 8575, 10115, 14161, 14875, 20825, 29155, 36125, 42875, 50575, 70805, 99127, 104125, 145775, 252875, 354025, 495635, 728875, 1770125, 2478175, 12390875]

約数ペア:

[(1, 12390875), (5, 2478175), (7, 1770125), (17, 728875), (25, 495635), (35, 354025), (49, 252875), (85, 145775), (119, 104125), (125, 99127), (175, 70805), (245, 50575), (289, 42875), (343, 36125), (425, 29155), (595, 20825), (833, 14875), (875, 14161), (1225, 10115), (1445, 8575), (1715, 7225), (2023, 6125), (2125, 5831), (2975, 4165)]