212748340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1519631}}^1$

素因数の和:1519647

約数の個数: 24

約数和(自身を含む): 510596352

約数和(自身を除く): 297848012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1519631, 3039262, 6078524, 7598155, 10637417, 15196310, 21274834, 30392620, 42549668, 53187085, 106374170, 212748340]

約数ペア:

[(1, 212748340), (2, 106374170), (4, 53187085), (5, 42549668), (7, 30392620), (10, 21274834), (14, 15196310), (20, 10637417), (28, 7598155), (35, 6078524), (70, 3039262), (140, 1519631)]