142340980

素因数分解:

$2^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{11279}}^1$

素因数の和:11919

約数の個数: 24

約数和(自身を含む): 299416320

約数和(自身を除く): 157075340

約数列:

[1, 2, 4, 5, 10, 20, 631, 1262, 2524, 3155, 6310, 11279, 12620, 22558, 45116, 56395, 112790, 225580, 7117049, 14234098, 28468196, 35585245, 71170490, 142340980]

約数ペア:

[(1, 142340980), (2, 71170490), (4, 35585245), (5, 28468196), (10, 14234098), (20, 7117049), (631, 225580), (1262, 112790), (2524, 56395), (3155, 45116), (6310, 22558), (11279, 12620)]