2019949900

素因数分解:

$2^2\times 5^2\times {\mathrm{661}}^1\times {\mathrm{30559}}^1$

素因数の和:31234

約数の個数: 36

約数和(自身を含む): 4390066240

約数和(自身を除く): 2370116340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 661, 1322, 2644, 3305, 6610, 13220, 16525, 30559, 33050, 61118, 66100, 122236, 152795, 305590, 611180, 763975, 1527950, 3055900, 20199499, 40398998, 80797996, 100997495, 201994990, 403989980, 504987475, 1009974950, 2019949900]

約数ペア:

[(1, 2019949900), (2, 1009974950), (4, 504987475), (5, 403989980), (10, 201994990), (20, 100997495), (25, 80797996), (50, 40398998), (100, 20199499), (661, 3055900), (1322, 1527950), (2644, 763975), (3305, 611180), (6610, 305590), (13220, 152795), (16525, 122236), (30559, 66100), (33050, 61118)]