409292225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{18211}}^1$

素因数の和:18281

約数の個数: 24

約数和(自身を含む): 541989120

約数和(自身を除く): 132696895

約数列:

[1, 5, 25, 29, 31, 145, 155, 725, 775, 899, 4495, 18211, 22475, 91055, 455275, 528119, 564541, 2640595, 2822705, 13202975, 14113525, 16371689, 81858445, 409292225]

約数ペア:

[(1, 409292225), (5, 81858445), (25, 16371689), (29, 14113525), (31, 13202975), (145, 2822705), (155, 2640595), (725, 564541), (775, 528119), (899, 455275), (4495, 91055), (18211, 22475)]