12197780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 29519616

約数和(自身を除く): 17321836

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 577, 604, 755, 1057, 1154, 1510, 2114, 2308, 2885, 3020, 4039, 4228, 5285, 5770, 8078, 10570, 11540, 16156, 20195, 21140, 40390, 80780, 87127, 174254, 348508, 435635, 609889, 871270, 1219778, 1742540, 2439556, 3049445, 6098890, 12197780]

約数ペア:

[(1, 12197780), (2, 6098890), (4, 3049445), (5, 2439556), (7, 1742540), (10, 1219778), (14, 871270), (20, 609889), (28, 435635), (35, 348508), (70, 174254), (140, 87127), (151, 80780), (302, 40390), (577, 21140), (604, 20195), (755, 16156), (1057, 11540), (1154, 10570), (1510, 8078), (2114, 5770), (2308, 5285), (2885, 4228), (3020, 4039)]