445271905

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 619799040

約数和(自身を除く): 174527135

約数列:

[1, 5, 13, 17, 65, 85, 139, 169, 221, 223, 695, 845, 1105, 1115, 1807, 2363, 2873, 2899, 3791, 9035, 11815, 14365, 14495, 18955, 23491, 30719, 30997, 37687, 49283, 117455, 153595, 154985, 188435, 246415, 399347, 402961, 526949, 640679, 1996735, 2014805, 2634745, 3203395, 5238493, 6850337, 26192465, 34251685, 89054381, 445271905]

約数ペア:

[(1, 445271905), (5, 89054381), (13, 34251685), (17, 26192465), (65, 6850337), (85, 5238493), (139, 3203395), (169, 2634745), (221, 2014805), (223, 1996735), (695, 640679), (845, 526949), (1105, 402961), (1115, 399347), (1807, 246415), (2363, 188435), (2873, 154985), (2899, 153595), (3791, 117455), (9035, 49283), (11815, 37687), (14365, 30997), (14495, 30719), (18955, 23491)]