189875000

素因数分解:

$2^3\times 5^6\times 7^2\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 168

約数和(自身を含む): 534368160

約数和(自身を除く): 344493160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 98, 100, 124, 125, 140, 155, 175, 196, 200, 217, 245, 248, 250, 280, 310, 350, 392, 434, 490, 500, 620, 625, 700, 775, 868, 875, 980, 1000, 1085, 1225, 1240, 1250, 1400, 1519, 1550, 1736, 1750, 1960, 2170, 2450, 2500, 3038, 3100, 3125, 3500, 3875, 4340, 4375, 4900, 5000, 5425, 6076, 6125, 6200, 6250, 7000, 7595, 7750, 8680, 8750, 9800, 10850, 12152, 12250, 12500, 15190, 15500, 15625, 17500, 19375, 21700, 21875, 24500, 25000, 27125, 30380, 30625, 31000, 31250, 35000, 37975, 38750, 43400, 43750, 49000, 54250, 60760, 61250, 62500, 75950, 77500, 87500, 96875, 108500, 109375, 122500, 125000, 135625, 151900, 153125, 155000, 175000, 189875, 193750, 217000, 218750, 245000, 271250, 303800, 306250, 379750, 387500, 437500, 484375, 542500, 612500, 678125, 759500, 765625, 775000, 875000, 949375, 968750, 1085000, 1225000, 1356250, 1519000, 1531250, 1898750, 1937500, 2712500, 3062500, 3390625, 3797500, 3875000, 4746875, 5425000, 6125000, 6781250, 7595000, 9493750, 13562500, 18987500, 23734375, 27125000, 37975000, 47468750, 94937500, 189875000]

約数ペア:

[(1, 189875000), (2, 94937500), (4, 47468750), (5, 37975000), (7, 27125000), (8, 23734375), (10, 18987500), (14, 13562500), (20, 9493750), (25, 7595000), (28, 6781250), (31, 6125000), (35, 5425000), (40, 4746875), (49, 3875000), (50, 3797500), (56, 3390625), (62, 3062500), (70, 2712500), (98, 1937500), (100, 1898750), (124, 1531250), (125, 1519000), (140, 1356250), (155, 1225000), (175, 1085000), (196, 968750), (200, 949375), (217, 875000), (245, 775000), (248, 765625), (250, 759500), (280, 678125), (310, 612500), (350, 542500), (392, 484375), (434, 437500), (490, 387500), (500, 379750), (620, 306250), (625, 303800), (700, 271250), (775, 245000), (868, 218750), (875, 217000), (980, 193750), (1000, 189875), (1085, 175000), (1225, 155000), (1240, 153125), (1250, 151900), (1400, 135625), (1519, 125000), (1550, 122500), (1736, 109375), (1750, 108500), (1960, 96875), (2170, 87500), (2450, 77500), (2500, 75950), (3038, 62500), (3100, 61250), (3125, 60760), (3500, 54250), (3875, 49000), (4340, 43750), (4375, 43400), (4900, 38750), (5000, 37975), (5425, 35000), (6076, 31250), (6125, 31000), (6200, 30625), (6250, 30380), (7000, 27125), (7595, 25000), (7750, 24500), (8680, 21875), (8750, 21700), (9800, 19375), (10850, 17500), (12152, 15625), (12250, 15500), (12500, 15190)]