196804540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{70793}}^1$

素因数の和:70941

約数の個数: 24

約数和(自身を含む): 416268720

約数和(自身を除く): 219464180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 70793, 141586, 283172, 353965, 707930, 1415860, 9840227, 19680454, 39360908, 49201135, 98402270, 196804540]

約数ペア:

[(1, 196804540), (2, 98402270), (4, 49201135), (5, 39360908), (10, 19680454), (20, 9840227), (139, 1415860), (278, 707930), (556, 353965), (695, 283172), (1390, 141586), (2780, 70793)]