47376875

素因数分解:

$5^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:71

約数の個数: 80

約数和(自身を含む): 78724800

約数和(自身を除く): 31347925

約数列:

[1, 5, 7, 13, 17, 25, 35, 49, 65, 85, 91, 119, 125, 175, 221, 245, 325, 343, 425, 455, 595, 625, 637, 833, 875, 1105, 1225, 1547, 1625, 1715, 2125, 2275, 2975, 3185, 4165, 4375, 4459, 5525, 5831, 6125, 7735, 8125, 8575, 10625, 10829, 11375, 14875, 15925, 20825, 22295, 27625, 29155, 30625, 38675, 42875, 54145, 56875, 74375, 75803, 79625, 104125, 111475, 138125, 145775, 193375, 214375, 270725, 379015, 398125, 520625, 557375, 728875, 966875, 1353625, 1895075, 2786875, 3644375, 6768125, 9475375, 47376875]

約数ペア:

[(1, 47376875), (5, 9475375), (7, 6768125), (13, 3644375), (17, 2786875), (25, 1895075), (35, 1353625), (49, 966875), (65, 728875), (85, 557375), (91, 520625), (119, 398125), (125, 379015), (175, 270725), (221, 214375), (245, 193375), (325, 145775), (343, 138125), (425, 111475), (455, 104125), (595, 79625), (625, 75803), (637, 74375), (833, 56875), (875, 54145), (1105, 42875), (1225, 38675), (1547, 30625), (1625, 29155), (1715, 27625), (2125, 22295), (2275, 20825), (2975, 15925), (3185, 14875), (4165, 11375), (4375, 10829), (4459, 10625), (5525, 8575), (5831, 8125), (6125, 7735)]