30380000

素因数分解:

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

素因数の和:75

約数の個数: 180

約数和(自身を含む): 89746272

約数和(自身を除く): 59366272

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, 3472, 3500, 3875, 3920, 4000, 4340, 4375, 4900, 4960, 5000, 5425, 5600, 6076, 6125, 6200, 6944, 7000, 7595, 7750, 7840, 8680, 8750, 9800, 10000, 10850, 12152, 12250, 12400, 14000, 15190, 15500, 17360, 17500, 19375, 19600, 20000, 21700, 24304, 24500, 24800, 27125, 28000, 30380, 30625, 31000, 34720, 35000, 37975, 38750, 39200, 43400, 48608, 49000, 54250, 60760, 61250, 62000, 70000, 75950, 77500, 86800, 98000, 108500, 121520, 122500, 124000, 135625, 140000, 151900, 155000, 173600, 189875, 196000, 217000, 243040, 245000, 271250, 303800, 310000, 379750, 434000, 490000, 542500, 607600, 620000, 759500, 868000, 949375, 980000, 1085000, 1215200, 1519000, 1898750, 2170000, 3038000, 3797500, 4340000, 6076000, 7595000, 15190000, 30380000]

約数ペア:

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