211892520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{252253}}^1$

素因数の和:252274

約数の個数: 64

約数和(自身を含む): 726491520

約数和(自身を除く): 514599000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 252253, 504506, 756759, 1009012, 1261265, 1513518, 1765771, 2018024, 2522530, 3027036, 3531542, 3783795, 5045060, 5297313, 6054072, 7063084, 7567590, 8828855, 10090120, 10594626, 14126168, 15135180, 17657710, 21189252, 26486565, 30270360, 35315420, 42378504, 52973130, 70630840, 105946260, 211892520]

約数ペア:

[(1, 211892520), (2, 105946260), (3, 70630840), (4, 52973130), (5, 42378504), (6, 35315420), (7, 30270360), (8, 26486565), (10, 21189252), (12, 17657710), (14, 15135180), (15, 14126168), (20, 10594626), (21, 10090120), (24, 8828855), (28, 7567590), (30, 7063084), (35, 6054072), (40, 5297313), (42, 5045060), (56, 3783795), (60, 3531542), (70, 3027036), (84, 2522530), (105, 2018024), (120, 1765771), (140, 1513518), (168, 1261265), (210, 1009012), (280, 756759), (420, 504506), (840, 252253)]