1990184000

素因数分解:

$2^6\times 5^3\times 7^2\times {\mathrm{5077}}^1$

素因数の和:5118

約数の個数: 168

約数和(自身を含む): 5734504152

約数和(自身を除く): 3744320152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 320, 350, 392, 400, 448, 490, 500, 560, 700, 784, 800, 875, 980, 1000, 1120, 1225, 1400, 1568, 1600, 1750, 1960, 2000, 2240, 2450, 2800, 3136, 3500, 3920, 4000, 4900, 5077, 5600, 6125, 7000, 7840, 8000, 9800, 10154, 11200, 12250, 14000, 15680, 19600, 20308, 24500, 25385, 28000, 35539, 39200, 40616, 49000, 50770, 56000, 71078, 78400, 81232, 98000, 101540, 126925, 142156, 162464, 177695, 196000, 203080, 248773, 253850, 284312, 324928, 355390, 392000, 406160, 497546, 507700, 568624, 634625, 710780, 812320, 888475, 995092, 1015400, 1137248, 1243865, 1269250, 1421560, 1624640, 1776950, 1990184, 2030800, 2274496, 2487730, 2538500, 2843120, 3553900, 3980368, 4061600, 4442375, 4975460, 5077000, 5686240, 6219325, 7107800, 7960736, 8123200, 8884750, 9950920, 10154000, 11372480, 12438650, 14215600, 15921472, 17769500, 19901840, 20308000, 24877300, 28431200, 31096625, 35539000, 39803680, 40616000, 49754600, 56862400, 62193250, 71078000, 79607360, 99509200, 124386500, 142156000, 199018400, 248773000, 284312000, 398036800, 497546000, 995092000, 1990184000]

約数ペア:

[(1, 1990184000), (2, 995092000), (4, 497546000), (5, 398036800), (7, 284312000), (8, 248773000), (10, 199018400), (14, 142156000), (16, 124386500), (20, 99509200), (25, 79607360), (28, 71078000), (32, 62193250), (35, 56862400), (40, 49754600), (49, 40616000), (50, 39803680), (56, 35539000), (64, 31096625), (70, 28431200), (80, 24877300), (98, 20308000), (100, 19901840), (112, 17769500), (125, 15921472), (140, 14215600), (160, 12438650), (175, 11372480), (196, 10154000), (200, 9950920), (224, 8884750), (245, 8123200), (250, 7960736), (280, 7107800), (320, 6219325), (350, 5686240), (392, 5077000), (400, 4975460), (448, 4442375), (490, 4061600), (500, 3980368), (560, 3553900), (700, 2843120), (784, 2538500), (800, 2487730), (875, 2274496), (980, 2030800), (1000, 1990184), (1120, 1776950), (1225, 1624640), (1400, 1421560), (1568, 1269250), (1600, 1243865), (1750, 1137248), (1960, 1015400), (2000, 995092), (2240, 888475), (2450, 812320), (2800, 710780), (3136, 634625), (3500, 568624), (3920, 507700), (4000, 497546), (4900, 406160), (5077, 392000), (5600, 355390), (6125, 324928), (7000, 284312), (7840, 253850), (8000, 248773), (9800, 203080), (10154, 196000), (11200, 177695), (12250, 162464), (14000, 142156), (15680, 126925), (19600, 101540), (20308, 98000), (24500, 81232), (25385, 78400), (28000, 71078), (35539, 56000), (39200, 50770), (40616, 49000)]