72735775

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1063}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 113992704

約数和(自身を除く): 41256929

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 161, 175, 391, 425, 575, 595, 805, 1063, 1955, 2737, 2975, 4025, 5315, 7441, 9775, 13685, 18071, 24449, 26575, 37205, 68425, 90355, 122245, 126497, 171143, 186025, 415633, 451775, 611225, 632485, 855715, 2078165, 2909431, 3162425, 4278575, 10390825, 14547155, 72735775]

約数ペア:

[(1, 72735775), (5, 14547155), (7, 10390825), (17, 4278575), (23, 3162425), (25, 2909431), (35, 2078165), (85, 855715), (115, 632485), (119, 611225), (161, 451775), (175, 415633), (391, 186025), (425, 171143), (575, 126497), (595, 122245), (805, 90355), (1063, 68425), (1955, 37205), (2737, 26575), (2975, 24449), (4025, 18071), (5315, 13685), (7441, 9775)]