667788380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4769917}}^1$

素因数の和:4769933

約数の個数: 24

約数和(自身を含む): 1602692448

約数和(自身を除く): 934904068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4769917, 9539834, 19079668, 23849585, 33389419, 47699170, 66778838, 95398340, 133557676, 166947095, 333894190, 667788380]

約数ペア:

[(1, 667788380), (2, 333894190), (4, 166947095), (5, 133557676), (7, 95398340), (10, 66778838), (14, 47699170), (20, 33389419), (28, 23849585), (35, 19079668), (70, 9539834), (140, 4769917)]