57489320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{205319}}^1$

素因数の和:205337

約数の個数: 32

約数和(自身を含む): 147830400

約数和(自身を除く): 90341080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 205319, 410638, 821276, 1026595, 1437233, 1642552, 2053190, 2874466, 4106380, 5748932, 7186165, 8212760, 11497864, 14372330, 28744660, 57489320]

約数ペア:

[(1, 57489320), (2, 28744660), (4, 14372330), (5, 11497864), (7, 8212760), (8, 7186165), (10, 5748932), (14, 4106380), (20, 2874466), (28, 2053190), (35, 1642552), (40, 1437233), (56, 1026595), (70, 821276), (140, 410638), (280, 205319)]