2018418640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{189701}}^1$

素因数の和:189740

約数の個数: 80

約数和(自身を含む): 5645531520

約数和(自身を除く): 3627112880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 189701, 379402, 758804, 948505, 1327907, 1517608, 1897010, 2655814, 3035216, 3604319, 3794020, 5311628, 6639535, 7208638, 7588040, 10623256, 13279070, 14417276, 15176080, 18021595, 21246512, 25230233, 26558140, 28834552, 36043190, 50460466, 53116280, 57669104, 72086380, 100920932, 106232560, 126151165, 144172760, 201841864, 252302330, 288345520, 403683728, 504604660, 1009209320, 2018418640]

約数ペア:

[(1, 2018418640), (2, 1009209320), (4, 504604660), (5, 403683728), (7, 288345520), (8, 252302330), (10, 201841864), (14, 144172760), (16, 126151165), (19, 106232560), (20, 100920932), (28, 72086380), (35, 57669104), (38, 53116280), (40, 50460466), (56, 36043190), (70, 28834552), (76, 26558140), (80, 25230233), (95, 21246512), (112, 18021595), (133, 15176080), (140, 14417276), (152, 13279070), (190, 10623256), (266, 7588040), (280, 7208638), (304, 6639535), (380, 5311628), (532, 3794020), (560, 3604319), (665, 3035216), (760, 2655814), (1064, 1897010), (1330, 1517608), (1520, 1327907), (2128, 948505), (2660, 758804), (5320, 379402), (10640, 189701)]