15190000

素因数分解:

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

素因数の和:73

約数の個数: 150

約数和(自身を含む): 44160864

約数和(自身を除く): 28970864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 31, 35, 40, 49, 50, 56, 62, 70, 80, 98, 100, 112, 124, 125, 140, 155, 175, 196, 200, 217, 245, 248, 250, 280, 310, 350, 392, 400, 434, 490, 496, 500, 560, 620, 625, 700, 775, 784, 868, 875, 980, 1000, 1085, 1225, 1240, 1250, 1400, 1519, 1550, 1736, 1750, 1960, 2000, 2170, 2450, 2480, 2500, 2800, 3038, 3100, 3472, 3500, 3875, 3920, 4340, 4375, 4900, 5000, 5425, 6076, 6125, 6200, 7000, 7595, 7750, 8680, 8750, 9800, 10000, 10850, 12152, 12250, 12400, 14000, 15190, 15500, 17360, 17500, 19375, 19600, 21700, 24304, 24500, 27125, 30380, 30625, 31000, 35000, 37975, 38750, 43400, 49000, 54250, 60760, 61250, 62000, 70000, 75950, 77500, 86800, 98000, 108500, 121520, 122500, 135625, 151900, 155000, 189875, 217000, 245000, 271250, 303800, 310000, 379750, 434000, 490000, 542500, 607600, 759500, 949375, 1085000, 1519000, 1898750, 2170000, 3038000, 3797500, 7595000, 15190000]

約数ペア:

[(1, 15190000), (2, 7595000), (4, 3797500), (5, 3038000), (7, 2170000), (8, 1898750), (10, 1519000), (14, 1085000), (16, 949375), (20, 759500), (25, 607600), (28, 542500), (31, 490000), (35, 434000), (40, 379750), (49, 310000), (50, 303800), (56, 271250), (62, 245000), (70, 217000), (80, 189875), (98, 155000), (100, 151900), (112, 135625), (124, 122500), (125, 121520), (140, 108500), (155, 98000), (175, 86800), (196, 77500), (200, 75950), (217, 70000), (245, 62000), (248, 61250), (250, 60760), (280, 54250), (310, 49000), (350, 43400), (392, 38750), (400, 37975), (434, 35000), (490, 31000), (496, 30625), (500, 30380), (560, 27125), (620, 24500), (625, 24304), (700, 21700), (775, 19600), (784, 19375), (868, 17500), (875, 17360), (980, 15500), (1000, 15190), (1085, 14000), (1225, 12400), (1240, 12250), (1250, 12152), (1400, 10850), (1519, 10000), (1550, 9800), (1736, 8750), (1750, 8680), (1960, 7750), (2000, 7595), (2170, 7000), (2450, 6200), (2480, 6125), (2500, 6076), (2800, 5425), (3038, 5000), (3100, 4900), (3472, 4375), (3500, 4340), (3875, 3920)]