53753420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1949}}^1$

素因数の和:2162

約数の個数: 48

約数和(自身を含む): 129729600

約数和(自身を除く): 75976180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 197, 394, 788, 985, 1379, 1949, 1970, 2758, 3898, 3940, 5516, 6895, 7796, 9745, 13643, 13790, 19490, 27286, 27580, 38980, 54572, 68215, 136430, 272860, 383953, 767906, 1535812, 1919765, 2687671, 3839530, 5375342, 7679060, 10750684, 13438355, 26876710, 53753420]

約数ペア:

[(1, 53753420), (2, 26876710), (4, 13438355), (5, 10750684), (7, 7679060), (10, 5375342), (14, 3839530), (20, 2687671), (28, 1919765), (35, 1535812), (70, 767906), (140, 383953), (197, 272860), (394, 136430), (788, 68215), (985, 54572), (1379, 38980), (1949, 27580), (1970, 27286), (2758, 19490), (3898, 13790), (3940, 13643), (5516, 9745), (6895, 7796)]