188884225

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{20929}}^1$

素因数の和:20977

約数の個数: 18

約数和(自身を含む): 247204230

約数和(自身を除く): 58320005

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 20929, 104645, 397651, 523225, 1988255, 7555369, 9941275, 37776845, 188884225]

約数ペア:

[(1, 188884225), (5, 37776845), (19, 9941275), (25, 7555369), (95, 1988255), (361, 523225), (475, 397651), (1805, 104645), (9025, 20929)]