13291250

素因数分解:

$2^1\times 5^4\times 7^3\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 80

約数和(自身を含む): 29990400

約数和(自身を除く): 16699150

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 49, 50, 62, 70, 98, 125, 155, 175, 217, 245, 250, 310, 343, 350, 434, 490, 625, 686, 775, 875, 1085, 1225, 1250, 1519, 1550, 1715, 1750, 2170, 2450, 3038, 3430, 3875, 4375, 5425, 6125, 7595, 7750, 8575, 8750, 10633, 10850, 12250, 15190, 17150, 19375, 21266, 27125, 30625, 37975, 38750, 42875, 53165, 54250, 61250, 75950, 85750, 106330, 135625, 189875, 214375, 265825, 271250, 379750, 428750, 531650, 949375, 1329125, 1898750, 2658250, 6645625, 13291250]

約数ペア:

[(1, 13291250), (2, 6645625), (5, 2658250), (7, 1898750), (10, 1329125), (14, 949375), (25, 531650), (31, 428750), (35, 379750), (49, 271250), (50, 265825), (62, 214375), (70, 189875), (98, 135625), (125, 106330), (155, 85750), (175, 75950), (217, 61250), (245, 54250), (250, 53165), (310, 42875), (343, 38750), (350, 37975), (434, 30625), (490, 27125), (625, 21266), (686, 19375), (775, 17150), (875, 15190), (1085, 12250), (1225, 10850), (1250, 10633), (1519, 8750), (1550, 8575), (1715, 7750), (1750, 7595), (2170, 6125), (2450, 5425), (3038, 4375), (3430, 3875)]