203431955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1801}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 272462400

約数和(自身を除く): 69030445

約数列:

[1, 5, 19, 29, 41, 95, 145, 205, 551, 779, 1189, 1801, 2755, 3895, 5945, 9005, 22591, 34219, 52229, 73841, 112955, 171095, 261145, 369205, 992351, 1402979, 2141389, 4961755, 7014895, 10706945, 40686391, 203431955]

約数ペア:

[(1, 203431955), (5, 40686391), (19, 10706945), (29, 7014895), (41, 4961755), (95, 2141389), (145, 1402979), (205, 992351), (551, 369205), (779, 261145), (1189, 171095), (1801, 112955), (2755, 73841), (3895, 52229), (5945, 34219), (9005, 22591)]