405027420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{964351}}^1$

素因数の和:964370

約数の個数: 48

約数和(自身を含む): 1296089088

約数和(自身を除く): 891061668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 964351, 1928702, 2893053, 3857404, 4821755, 5786106, 6750457, 9643510, 11572212, 13500914, 14465265, 19287020, 20251371, 27001828, 28930530, 33752285, 40502742, 57861060, 67504570, 81005484, 101256855, 135009140, 202513710, 405027420]

約数ペア:

[(1, 405027420), (2, 202513710), (3, 135009140), (4, 101256855), (5, 81005484), (6, 67504570), (7, 57861060), (10, 40502742), (12, 33752285), (14, 28930530), (15, 27001828), (20, 20251371), (21, 19287020), (28, 14465265), (30, 13500914), (35, 11572212), (42, 9643510), (60, 6750457), (70, 5786106), (84, 4821755), (105, 3857404), (140, 2893053), (210, 1928702), (420, 964351)]