390109972

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{68633}}^1$

素因数の和:68680

約数の個数: 36

約数和(自身を含む): 821548980

約数和(自身を除く): 431439008

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 406, 812, 1421, 2842, 5684, 68633, 137266, 274532, 480431, 960862, 1921724, 1990357, 3363017, 3980714, 6726034, 7961428, 13452068, 13932499, 27864998, 55729996, 97527493, 195054986, 390109972]

約数ペア:

[(1, 390109972), (2, 195054986), (4, 97527493), (7, 55729996), (14, 27864998), (28, 13932499), (29, 13452068), (49, 7961428), (58, 6726034), (98, 3980714), (116, 3363017), (196, 1990357), (203, 1921724), (406, 960862), (812, 480431), (1421, 274532), (2842, 137266), (5684, 68633)]