199339925

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{8929}}^1$

素因数の和:9005

約数の個数: 24

約数和(自身を含む): 265756800

約数和(自身を除く): 66416875

約数列:

[1, 5, 19, 25, 47, 95, 235, 475, 893, 1175, 4465, 8929, 22325, 44645, 169651, 223225, 419663, 848255, 2098315, 4241275, 7973597, 10491575, 39867985, 199339925]

約数ペア:

[(1, 199339925), (5, 39867985), (19, 10491575), (25, 7973597), (47, 4241275), (95, 2098315), (235, 848255), (475, 419663), (893, 223225), (1175, 169651), (4465, 44645), (8929, 22325)]