290305484

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{2857}}^1$

素因数の和:3078

約数の個数: 48

約数和(自身を含む): 614584320

約数和(自身を除く): 324278836

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 191, 266, 382, 532, 764, 1337, 2674, 2857, 3629, 5348, 5714, 7258, 11428, 14516, 19999, 25403, 39998, 50806, 54283, 79996, 101612, 108566, 217132, 379981, 545687, 759962, 1091374, 1519924, 2182748, 3819809, 7639618, 10368053, 15279236, 20736106, 41472212, 72576371, 145152742, 290305484]

約数ペア:

[(1, 290305484), (2, 145152742), (4, 72576371), (7, 41472212), (14, 20736106), (19, 15279236), (28, 10368053), (38, 7639618), (76, 3819809), (133, 2182748), (191, 1519924), (266, 1091374), (382, 759962), (532, 545687), (764, 379981), (1337, 217132), (2674, 108566), (2857, 101612), (3629, 79996), (5348, 54283), (5714, 50806), (7258, 39998), (11428, 25403), (14516, 19999)]