285831280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4019}}^1$

素因数の和:4166

約数の個数: 80

約数和(自身を含む): 765665280

約数和(自身を除く): 479834000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 127, 140, 254, 280, 508, 560, 635, 889, 1016, 1270, 1778, 2032, 2540, 3556, 4019, 4445, 5080, 7112, 8038, 8890, 10160, 14224, 16076, 17780, 20095, 28133, 32152, 35560, 40190, 56266, 64304, 71120, 80380, 112532, 140665, 160760, 225064, 281330, 321520, 450128, 510413, 562660, 1020826, 1125320, 2041652, 2250640, 2552065, 3572891, 4083304, 5104130, 7145782, 8166608, 10208260, 14291564, 17864455, 20416520, 28583128, 35728910, 40833040, 57166256, 71457820, 142915640, 285831280]

約数ペア:

[(1, 285831280), (2, 142915640), (4, 71457820), (5, 57166256), (7, 40833040), (8, 35728910), (10, 28583128), (14, 20416520), (16, 17864455), (20, 14291564), (28, 10208260), (35, 8166608), (40, 7145782), (56, 5104130), (70, 4083304), (80, 3572891), (112, 2552065), (127, 2250640), (140, 2041652), (254, 1125320), (280, 1020826), (508, 562660), (560, 510413), (635, 450128), (889, 321520), (1016, 281330), (1270, 225064), (1778, 160760), (2032, 140665), (2540, 112532), (3556, 80380), (4019, 71120), (4445, 64304), (5080, 56266), (7112, 40190), (8038, 35560), (8890, 32152), (10160, 28133), (14224, 20095), (16076, 17780)]