290697796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{37871}}^1$

素因数の和:37995

約数の個数: 24

約数和(自身を含む): 540812160

約数和(自身を除く): 250114364

約数列:

[1, 2, 4, 19, 38, 76, 101, 202, 404, 1919, 3838, 7676, 37871, 75742, 151484, 719549, 1439098, 2878196, 3824971, 7649942, 15299884, 72674449, 145348898, 290697796]

約数ペア:

[(1, 290697796), (2, 145348898), (4, 72674449), (19, 15299884), (38, 7649942), (76, 3824971), (101, 2878196), (202, 1439098), (404, 719549), (1919, 151484), (3838, 75742), (7676, 37871)]