280104004

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{41411}}^1$

素因数の和:41523

約数の個数: 24

約数和(自身を含む): 521791200

約数和(自身を除く): 241687196

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 1691, 3382, 6764, 41411, 82822, 165644, 786809, 1573618, 3147236, 3685579, 7371158, 14742316, 70026001, 140052002, 280104004]

約数ペア:

[(1, 280104004), (2, 140052002), (4, 70026001), (19, 14742316), (38, 7371158), (76, 3685579), (89, 3147236), (178, 1573618), (356, 786809), (1691, 165644), (3382, 82822), (6764, 41411)]