252980825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 345692160

約数和(自身を除く): 92711335

約数列:

[1, 5, 17, 25, 43, 85, 109, 127, 215, 425, 545, 635, 731, 1075, 1853, 2159, 2725, 3175, 3655, 4687, 5461, 9265, 10795, 13843, 18275, 23435, 27305, 46325, 53975, 69215, 79679, 92837, 117175, 136525, 235331, 346075, 398395, 464185, 595249, 1176655, 1991975, 2320925, 2976245, 5883275, 10119233, 14881225, 50596165, 252980825]

約数ペア:

[(1, 252980825), (5, 50596165), (17, 14881225), (25, 10119233), (43, 5883275), (85, 2976245), (109, 2320925), (127, 1991975), (215, 1176655), (425, 595249), (545, 464185), (635, 398395), (731, 346075), (1075, 235331), (1853, 136525), (2159, 117175), (2725, 92837), (3175, 79679), (3655, 69215), (4687, 53975), (5461, 46325), (9265, 27305), (10795, 23435), (13843, 18275)]