1279071745

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 1906390080

約数和(自身を除く): 627318335

約数列:

[1, 5, 7, 23, 35, 49, 71, 115, 139, 161, 245, 355, 497, 529, 695, 805, 973, 1127, 1633, 2485, 2645, 3197, 3479, 3703, 4865, 5635, 6811, 8165, 9869, 11431, 15985, 17395, 18515, 22379, 25921, 34055, 37559, 49345, 57155, 69083, 73531, 80017, 111895, 129605, 156653, 187795, 226987, 262913, 345415, 367655, 400085, 483581, 514717, 783265, 1134935, 1314565, 1588909, 1840391, 2417905, 2573585, 3603019, 5220701, 7944545, 9201955, 11122363, 18015095, 26103505, 36544907, 55611815, 182724535, 255814349, 1279071745]

約数ペア:

[(1, 1279071745), (5, 255814349), (7, 182724535), (23, 55611815), (35, 36544907), (49, 26103505), (71, 18015095), (115, 11122363), (139, 9201955), (161, 7944545), (245, 5220701), (355, 3603019), (497, 2573585), (529, 2417905), (695, 1840391), (805, 1588909), (973, 1314565), (1127, 1134935), (1633, 783265), (2485, 514717), (2645, 483581), (3197, 400085), (3479, 367655), (3703, 345415), (4865, 262913), (5635, 226987), (6811, 187795), (8165, 156653), (9869, 129605), (11431, 111895), (15985, 80017), (17395, 73531), (18515, 69083), (22379, 57155), (25921, 49345), (34055, 37559)]