1900649860

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{683687}}^1$

素因数の和:683835

約数の個数: 24

約数和(自身を含む): 4020085440

約数和(自身を除く): 2119435580

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 683687, 1367374, 2734748, 3418435, 6836870, 13673740, 95032493, 190064986, 380129972, 475162465, 950324930, 1900649860]

約数ペア:

[(1, 1900649860), (2, 950324930), (4, 475162465), (5, 380129972), (10, 190064986), (20, 95032493), (139, 13673740), (278, 6836870), (556, 3418435), (695, 2734748), (1390, 1367374), (2780, 683687)]