210648340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1504631}}^1$

素因数の和:1504647

約数の個数: 24

約数和(自身を含む): 505556352

約数和(自身を除く): 294908012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1504631, 3009262, 6018524, 7523155, 10532417, 15046310, 21064834, 30092620, 42129668, 52662085, 105324170, 210648340]

約数ペア:

[(1, 210648340), (2, 105324170), (4, 52662085), (5, 42129668), (7, 30092620), (10, 21064834), (14, 15046310), (20, 10532417), (28, 7523155), (35, 6018524), (70, 3009262), (140, 1504631)]