158564000

素因数分解:

$2^5\times 5^3\times 7^2\times {\mathrm{809}}^1$

素因数の和:848

約数の個数: 144

約数和(自身を含む): 453758760

約数和(自身を除く): 295194760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 160, 175, 196, 200, 224, 245, 250, 280, 350, 392, 400, 490, 500, 560, 700, 784, 800, 809, 875, 980, 1000, 1120, 1225, 1400, 1568, 1618, 1750, 1960, 2000, 2450, 2800, 3236, 3500, 3920, 4000, 4045, 4900, 5600, 5663, 6125, 6472, 7000, 7840, 8090, 9800, 11326, 12250, 12944, 14000, 16180, 19600, 20225, 22652, 24500, 25888, 28000, 28315, 32360, 39200, 39641, 40450, 45304, 49000, 56630, 64720, 79282, 80900, 90608, 98000, 101125, 113260, 129440, 141575, 158564, 161800, 181216, 196000, 198205, 202250, 226520, 283150, 317128, 323600, 396410, 404500, 453040, 566300, 634256, 647200, 707875, 792820, 809000, 906080, 991025, 1132600, 1268512, 1415750, 1585640, 1618000, 1982050, 2265200, 2831500, 3171280, 3236000, 3964100, 4530400, 4955125, 5663000, 6342560, 7928200, 9910250, 11326000, 15856400, 19820500, 22652000, 31712800, 39641000, 79282000, 158564000]

約数ペア:

[(1, 158564000), (2, 79282000), (4, 39641000), (5, 31712800), (7, 22652000), (8, 19820500), (10, 15856400), (14, 11326000), (16, 9910250), (20, 7928200), (25, 6342560), (28, 5663000), (32, 4955125), (35, 4530400), (40, 3964100), (49, 3236000), (50, 3171280), (56, 2831500), (70, 2265200), (80, 1982050), (98, 1618000), (100, 1585640), (112, 1415750), (125, 1268512), (140, 1132600), (160, 991025), (175, 906080), (196, 809000), (200, 792820), (224, 707875), (245, 647200), (250, 634256), (280, 566300), (350, 453040), (392, 404500), (400, 396410), (490, 323600), (500, 317128), (560, 283150), (700, 226520), (784, 202250), (800, 198205), (809, 196000), (875, 181216), (980, 161800), (1000, 158564), (1120, 141575), (1225, 129440), (1400, 113260), (1568, 101125), (1618, 98000), (1750, 90608), (1960, 80900), (2000, 79282), (2450, 64720), (2800, 56630), (3236, 49000), (3500, 45304), (3920, 40450), (4000, 39641), (4045, 39200), (4900, 32360), (5600, 28315), (5663, 28000), (6125, 25888), (6472, 24500), (7000, 22652), (7840, 20225), (8090, 19600), (9800, 16180), (11326, 14000), (12250, 12944)]