205450135

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 290918880

約数和(自身を除く): 85468745

約数列:

[1, 5, 11, 19, 55, 61, 95, 121, 209, 293, 305, 605, 671, 1045, 1159, 1465, 2299, 3223, 3355, 5567, 5795, 7381, 11495, 12749, 16115, 17873, 27835, 35453, 36905, 61237, 63745, 89365, 140239, 177265, 196603, 306185, 339587, 673607, 701195, 983015, 1697935, 2162633, 3368035, 3735457, 10813165, 18677285, 41090027, 205450135]

約数ペア:

[(1, 205450135), (5, 41090027), (11, 18677285), (19, 10813165), (55, 3735457), (61, 3368035), (95, 2162633), (121, 1697935), (209, 983015), (293, 701195), (305, 673607), (605, 339587), (671, 306185), (1045, 196603), (1159, 177265), (1465, 140239), (2299, 89365), (3223, 63745), (3355, 61237), (5567, 36905), (5795, 35453), (7381, 27835), (11495, 17873), (12749, 16115)]