720293826

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{3271}}^1$

素因数の和:3404

約数の個数: 64

約数和(自身を含む): 1696204800

約数和(自身を除く): 975910974

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 107, 147, 214, 294, 321, 343, 642, 686, 749, 1029, 1498, 2058, 2247, 3271, 4494, 5243, 6542, 9813, 10486, 15729, 19626, 22897, 31458, 36701, 45794, 68691, 73402, 110103, 137382, 160279, 220206, 320558, 349997, 480837, 699994, 961674, 1049991, 1121953, 2099982, 2243906, 2449979, 3365859, 4899958, 6731718, 7349937, 14699874, 17149853, 34299706, 51449559, 102899118, 120048971, 240097942, 360146913, 720293826]

約数ペア:

[(1, 720293826), (2, 360146913), (3, 240097942), (6, 120048971), (7, 102899118), (14, 51449559), (21, 34299706), (42, 17149853), (49, 14699874), (98, 7349937), (107, 6731718), (147, 4899958), (214, 3365859), (294, 2449979), (321, 2243906), (343, 2099982), (642, 1121953), (686, 1049991), (749, 961674), (1029, 699994), (1498, 480837), (2058, 349997), (2247, 320558), (3271, 220206), (4494, 160279), (5243, 137382), (6542, 110103), (9813, 73402), (10486, 68691), (15729, 45794), (19626, 36701), (22897, 31458)]