303800000

素因数分解:

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

素因数の和:82

約数の個数: 252

約数和(自身を含む): 904817088

約数和(自身を除く): 601017088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 32, 35, 40, 49, 50, 56, 62, 64, 70, 80, 98, 100, 112, 124, 125, 140, 155, 160, 175, 196, 200, 217, 224, 245, 248, 250, 280, 310, 320, 350, 392, 400, 434, 448, 490, 496, 500, 560, 620, 625, 700, 775, 784, 800, 868, 875, 980, 992, 1000, 1085, 1120, 1225, 1240, 1250, 1400, 1519, 1550, 1568, 1600, 1736, 1750, 1960, 1984, 2000, 2170, 2240, 2450, 2480, 2500, 2800, 3038, 3100, 3125, 3136, 3472, 3500, 3875, 3920, 4000, 4340, 4375, 4900, 4960, 5000, 5425, 5600, 6076, 6125, 6200, 6250, 6944, 7000, 7595, 7750, 7840, 8000, 8680, 8750, 9800, 9920, 10000, 10850, 11200, 12152, 12250, 12400, 12500, 13888, 14000, 15190, 15500, 15680, 17360, 17500, 19375, 19600, 20000, 21700, 21875, 24304, 24500, 24800, 25000, 27125, 28000, 30380, 30625, 31000, 34720, 35000, 37975, 38750, 39200, 40000, 43400, 43750, 48608, 49000, 49600, 50000, 54250, 56000, 60760, 61250, 62000, 69440, 70000, 75950, 77500, 78400, 86800, 87500, 96875, 97216, 98000, 100000, 108500, 121520, 122500, 124000, 135625, 140000, 151900, 153125, 155000, 173600, 175000, 189875, 193750, 196000, 200000, 217000, 243040, 245000, 248000, 271250, 280000, 303800, 306250, 310000, 347200, 350000, 379750, 387500, 392000, 434000, 486080, 490000, 542500, 607600, 612500, 620000, 678125, 700000, 759500, 775000, 868000, 949375, 980000, 1085000, 1215200, 1225000, 1240000, 1356250, 1400000, 1519000, 1550000, 1736000, 1898750, 1960000, 2170000, 2430400, 2450000, 2712500, 3038000, 3100000, 3797500, 4340000, 4746875, 4900000, 5425000, 6076000, 6200000, 7595000, 8680000, 9493750, 9800000, 10850000, 12152000, 15190000, 18987500, 21700000, 30380000, 37975000, 43400000, 60760000, 75950000, 151900000, 303800000]

約数ペア:

[(1, 303800000), (2, 151900000), (4, 75950000), (5, 60760000), (7, 43400000), (8, 37975000), (10, 30380000), (14, 21700000), (16, 18987500), (20, 15190000), (25, 12152000), (28, 10850000), (31, 9800000), (32, 9493750), (35, 8680000), (40, 7595000), (49, 6200000), (50, 6076000), (56, 5425000), (62, 4900000), (64, 4746875), (70, 4340000), (80, 3797500), (98, 3100000), (100, 3038000), (112, 2712500), (124, 2450000), (125, 2430400), (140, 2170000), (155, 1960000), (160, 1898750), (175, 1736000), (196, 1550000), (200, 1519000), (217, 1400000), (224, 1356250), (245, 1240000), (248, 1225000), (250, 1215200), (280, 1085000), (310, 980000), (320, 949375), (350, 868000), (392, 775000), (400, 759500), (434, 700000), (448, 678125), (490, 620000), (496, 612500), (500, 607600), (560, 542500), (620, 490000), (625, 486080), (700, 434000), (775, 392000), (784, 387500), (800, 379750), (868, 350000), (875, 347200), (980, 310000), (992, 306250), (1000, 303800), (1085, 280000), (1120, 271250), (1225, 248000), (1240, 245000), (1250, 243040), (1400, 217000), (1519, 200000), (1550, 196000), (1568, 193750), (1600, 189875), (1736, 175000), (1750, 173600), (1960, 155000), (1984, 153125), (2000, 151900), (2170, 140000), (2240, 135625), (2450, 124000), (2480, 122500), (2500, 121520), (2800, 108500), (3038, 100000), (3100, 98000), (3125, 97216), (3136, 96875), (3472, 87500), (3500, 86800), (3875, 78400), (3920, 77500), (4000, 75950), (4340, 70000), (4375, 69440), (4900, 62000), (4960, 61250), (5000, 60760), (5425, 56000), (5600, 54250), (6076, 50000), (6125, 49600), (6200, 49000), (6250, 48608), (6944, 43750), (7000, 43400), (7595, 40000), (7750, 39200), (7840, 38750), (8000, 37975), (8680, 35000), (8750, 34720), (9800, 31000), (9920, 30625), (10000, 30380), (10850, 28000), (11200, 27125), (12152, 25000), (12250, 24800), (12400, 24500), (12500, 24304), (13888, 21875), (14000, 21700), (15190, 20000), (15500, 19600), (15680, 19375), (17360, 17500)]