80470985

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{293}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 120657600

約数和(自身を除く): 40186615

約数列:

[1, 5, 7, 19, 35, 49, 59, 95, 133, 245, 293, 295, 413, 665, 931, 1121, 1465, 2051, 2065, 2891, 4655, 5567, 5605, 7847, 10255, 14357, 14455, 17287, 27835, 38969, 39235, 54929, 71785, 86435, 121009, 194845, 272783, 274645, 328453, 605045, 847063, 1363915, 1642265, 2299171, 4235315, 11495855, 16094197, 80470985]

約数ペア:

[(1, 80470985), (5, 16094197), (7, 11495855), (19, 4235315), (35, 2299171), (49, 1642265), (59, 1363915), (95, 847063), (133, 605045), (245, 328453), (293, 274645), (295, 272783), (413, 194845), (665, 121009), (931, 86435), (1121, 71785), (1465, 54929), (2051, 39235), (2065, 38969), (2891, 27835), (4655, 17287), (5567, 14455), (5605, 14357), (7847, 10255)]