78860260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1493}}^1$

素因数の和:1660

約数の個数: 48

約数和(自身を含む): 175694400

約数和(自身を除く): 96834140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 380, 556, 695, 1390, 1493, 2641, 2780, 2986, 5282, 5972, 7465, 10564, 13205, 14930, 26410, 28367, 29860, 52820, 56734, 113468, 141835, 207527, 283670, 415054, 567340, 830108, 1037635, 2075270, 3943013, 4150540, 7886026, 15772052, 19715065, 39430130, 78860260]

約数ペア:

[(1, 78860260), (2, 39430130), (4, 19715065), (5, 15772052), (10, 7886026), (19, 4150540), (20, 3943013), (38, 2075270), (76, 1037635), (95, 830108), (139, 567340), (190, 415054), (278, 283670), (380, 207527), (556, 141835), (695, 113468), (1390, 56734), (1493, 52820), (2641, 29860), (2780, 28367), (2986, 26410), (5282, 14930), (5972, 13205), (7465, 10564)]