99590180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1999}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 217728000

約数和(自身を除く): 118137820

約数列:

[1, 2, 4, 5, 10, 20, 47, 53, 94, 106, 188, 212, 235, 265, 470, 530, 940, 1060, 1999, 2491, 3998, 4982, 7996, 9964, 9995, 12455, 19990, 24910, 39980, 49820, 93953, 105947, 187906, 211894, 375812, 423788, 469765, 529735, 939530, 1059470, 1879060, 2118940, 4979509, 9959018, 19918036, 24897545, 49795090, 99590180]

約数ペア:

[(1, 99590180), (2, 49795090), (4, 24897545), (5, 19918036), (10, 9959018), (20, 4979509), (47, 2118940), (53, 1879060), (94, 1059470), (106, 939530), (188, 529735), (212, 469765), (235, 423788), (265, 375812), (470, 211894), (530, 187906), (940, 105947), (1060, 93953), (1999, 49820), (2491, 39980), (3998, 24910), (4982, 19990), (7996, 12455), (9964, 9995)]