197542420

素因数分解:

$2^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{46811}}^1$

素因数の和:47031

約数の個数: 24

約数和(自身を含む): 416814048

約数和(自身を除く): 219271628

約数列:

[1, 2, 4, 5, 10, 20, 211, 422, 844, 1055, 2110, 4220, 46811, 93622, 187244, 234055, 468110, 936220, 9877121, 19754242, 39508484, 49385605, 98771210, 197542420]

約数ペア:

[(1, 197542420), (2, 98771210), (4, 49385605), (5, 39508484), (10, 19754242), (20, 9877121), (211, 936220), (422, 468110), (844, 234055), (1055, 187244), (2110, 93622), (4220, 46811)]