71842120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{256579}}^1$

素因数の和:256597

約数の個数: 32

約数和(自身を含む): 184737600

約数和(自身を除く): 112895480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 256579, 513158, 1026316, 1282895, 1796053, 2052632, 2565790, 3592106, 5131580, 7184212, 8980265, 10263160, 14368424, 17960530, 35921060, 71842120]

約数ペア:

[(1, 71842120), (2, 35921060), (4, 17960530), (5, 14368424), (7, 10263160), (8, 8980265), (10, 7184212), (14, 5131580), (20, 3592106), (28, 2565790), (35, 2052632), (40, 1796053), (56, 1282895), (70, 1026316), (140, 513158), (280, 256579)]