27745025

素因数分解:

$5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 72

約数和(自身を含む): 45800640

約数和(自身を除く): 18055615

約数列:

[1, 5, 7, 11, 25, 29, 35, 49, 55, 71, 77, 145, 175, 203, 245, 275, 319, 355, 385, 497, 539, 725, 781, 1015, 1225, 1421, 1595, 1775, 1925, 2059, 2233, 2485, 2695, 3479, 3905, 5075, 5467, 7105, 7975, 10295, 11165, 12425, 13475, 14413, 15631, 17395, 19525, 22649, 27335, 35525, 38269, 51475, 55825, 72065, 78155, 86975, 100891, 113245, 136675, 158543, 191345, 360325, 390775, 504455, 566225, 792715, 956725, 1109801, 2522275, 3963575, 5549005, 27745025]

約数ペア:

[(1, 27745025), (5, 5549005), (7, 3963575), (11, 2522275), (25, 1109801), (29, 956725), (35, 792715), (49, 566225), (55, 504455), (71, 390775), (77, 360325), (145, 191345), (175, 158543), (203, 136675), (245, 113245), (275, 100891), (319, 86975), (355, 78155), (385, 72065), (497, 55825), (539, 51475), (725, 38269), (781, 35525), (1015, 27335), (1225, 22649), (1421, 19525), (1595, 17395), (1775, 15631), (1925, 14413), (2059, 13475), (2233, 12425), (2485, 11165), (2695, 10295), (3479, 7975), (3905, 7105), (5075, 5467)]