134078840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{478853}}^1$

素因数の和:478871

約数の個数: 32

約数和(自身を含む): 344774880

約数和(自身を除く): 210696040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 478853, 957706, 1915412, 2394265, 3351971, 3830824, 4788530, 6703942, 9577060, 13407884, 16759855, 19154120, 26815768, 33519710, 67039420, 134078840]

約数ペア:

[(1, 134078840), (2, 67039420), (4, 33519710), (5, 26815768), (7, 19154120), (8, 16759855), (10, 13407884), (14, 9577060), (20, 6703942), (28, 4788530), (35, 3830824), (40, 3351971), (56, 2394265), (70, 1915412), (140, 957706), (280, 478853)]