40690286

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 82497240

約数和(自身を除く): 41806954

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 41, 49, 82, 91, 98, 133, 182, 247, 266, 287, 494, 533, 574, 637, 779, 931, 1066, 1274, 1558, 1681, 1729, 1862, 2009, 3362, 3458, 3731, 4018, 5453, 7462, 10127, 10906, 11767, 12103, 20254, 21853, 23534, 24206, 26117, 31939, 38171, 43706, 52234, 63878, 70889, 76342, 82369, 141778, 152971, 164738, 223573, 305942, 415207, 447146, 496223, 830414, 992446, 1070797, 1565011, 2141594, 2906449, 3130022, 5812898, 20345143, 40690286]

約数ペア:

[(1, 40690286), (2, 20345143), (7, 5812898), (13, 3130022), (14, 2906449), (19, 2141594), (26, 1565011), (38, 1070797), (41, 992446), (49, 830414), (82, 496223), (91, 447146), (98, 415207), (133, 305942), (182, 223573), (247, 164738), (266, 152971), (287, 141778), (494, 82369), (533, 76342), (574, 70889), (637, 63878), (779, 52234), (931, 43706), (1066, 38171), (1274, 31939), (1558, 26117), (1681, 24206), (1729, 23534), (1862, 21853), (2009, 20254), (3362, 12103), (3458, 11767), (3731, 10906), (4018, 10127), (5453, 7462)]