151900000

素因数分解:

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

素因数の和:80

約数の個数: 216

約数和(自身を含む): 448846272

約数和(自身を除く): 296946272

約数列:

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

約数ペア:

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