214333480

素因数分解:

$2^3\times 5^1\times {\mathrm{991}}^1\times {\mathrm{5407}}^1$

素因数の和:6409

約数の個数: 32

約数和(自身を含む): 482826240

約数和(自身を除く): 268492760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 991, 1982, 3964, 4955, 5407, 7928, 9910, 10814, 19820, 21628, 27035, 39640, 43256, 54070, 108140, 216280, 5358337, 10716674, 21433348, 26791685, 42866696, 53583370, 107166740, 214333480]

約数ペア:

[(1, 214333480), (2, 107166740), (4, 53583370), (5, 42866696), (8, 26791685), (10, 21433348), (20, 10716674), (40, 5358337), (991, 216280), (1982, 108140), (3964, 54070), (4955, 43256), (5407, 39640), (7928, 27035), (9910, 21628), (10814, 19820)]