140942920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{207269}}^1$

素因数の和:207297

約数の個数: 32

約数和(自身を含む): 335777400

約数和(自身を除く): 194834480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 207269, 414538, 829076, 1036345, 1658152, 2072690, 3523573, 4145380, 7047146, 8290760, 14094292, 17617865, 28188584, 35235730, 70471460, 140942920]

約数ペア:

[(1, 140942920), (2, 70471460), (4, 35235730), (5, 28188584), (8, 17617865), (10, 14094292), (17, 8290760), (20, 7047146), (34, 4145380), (40, 3523573), (68, 2072690), (85, 1658152), (136, 1036345), (170, 829076), (340, 414538), (680, 207269)]