2011978675

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{396449}}^1$

素因数の和:396495

約数の個数: 24

約数和(自身を含む): 2949588000

約数和(自身を除く): 937609325

約数列:

[1, 5, 7, 25, 29, 35, 145, 175, 203, 725, 1015, 5075, 396449, 1982245, 2775143, 9911225, 11497021, 13875715, 57485105, 69378575, 80479147, 287425525, 402395735, 2011978675]

約数ペア:

[(1, 2011978675), (5, 402395735), (7, 287425525), (25, 80479147), (29, 69378575), (35, 57485105), (145, 13875715), (175, 11497021), (203, 9911225), (725, 2775143), (1015, 1982245), (5075, 396449)]