87859380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209189}}^1$

素因数の和:209208

約数の個数: 48

約数和(自身を含む): 281151360

約数和(自身を除く): 193291980

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, 209189, 418378, 627567, 836756, 1045945, 1255134, 1464323, 2091890, 2510268, 2928646, 3137835, 4183780, 4392969, 5857292, 6275670, 7321615, 8785938, 12551340, 14643230, 17571876, 21964845, 29286460, 43929690, 87859380]

約数ペア:

[(1, 87859380), (2, 43929690), (3, 29286460), (4, 21964845), (5, 17571876), (6, 14643230), (7, 12551340), (10, 8785938), (12, 7321615), (14, 6275670), (15, 5857292), (20, 4392969), (21, 4183780), (28, 3137835), (30, 2928646), (35, 2510268), (42, 2091890), (60, 1464323), (70, 1255134), (84, 1045945), (105, 836756), (140, 627567), (210, 418378), (420, 209189)]