39484340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2029}}^1$

素因数の和:2184

約数の個数: 48

約数和(自身を含む): 95491200

約数和(自身を除く): 56006860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2029, 2780, 3892, 4058, 4865, 8116, 9730, 10145, 14203, 19460, 20290, 28406, 40580, 56812, 71015, 142030, 282031, 284060, 564062, 1128124, 1410155, 1974217, 2820310, 3948434, 5640620, 7896868, 9871085, 19742170, 39484340]

約数ペア:

[(1, 39484340), (2, 19742170), (4, 9871085), (5, 7896868), (7, 5640620), (10, 3948434), (14, 2820310), (20, 1974217), (28, 1410155), (35, 1128124), (70, 564062), (139, 284060), (140, 282031), (278, 142030), (556, 71015), (695, 56812), (973, 40580), (1390, 28406), (1946, 20290), (2029, 19460), (2780, 14203), (3892, 10145), (4058, 9730), (4865, 8116)]