1617386780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4256281}}^1$

素因数の和:4256309

約数の個数: 24

約数和(自身を含む): 3575276880

約数和(自身を除く): 1957890100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4256281, 8512562, 17025124, 21281405, 42562810, 80869339, 85125620, 161738678, 323477356, 404346695, 808693390, 1617386780]

約数ペア:

[(1, 1617386780), (2, 808693390), (4, 404346695), (5, 323477356), (10, 161738678), (19, 85125620), (20, 80869339), (38, 42562810), (76, 21281405), (95, 17025124), (190, 8512562), (380, 4256281)]