9660980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 23390976

約数和(自身を除く): 13729996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 457, 604, 755, 914, 1057, 1510, 1828, 2114, 2285, 3020, 3199, 4228, 4570, 5285, 6398, 9140, 10570, 12796, 15995, 21140, 31990, 63980, 69007, 138014, 276028, 345035, 483049, 690070, 966098, 1380140, 1932196, 2415245, 4830490, 9660980]

約数ペア:

[(1, 9660980), (2, 4830490), (4, 2415245), (5, 1932196), (7, 1380140), (10, 966098), (14, 690070), (20, 483049), (28, 345035), (35, 276028), (70, 138014), (140, 69007), (151, 63980), (302, 31990), (457, 21140), (604, 15995), (755, 12796), (914, 10570), (1057, 9140), (1510, 6398), (1828, 5285), (2114, 4570), (2285, 4228), (3020, 3199)]