54572420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{1553}}^1$

素因数の和:1820

約数の個数: 48

約数和(自身を含む): 131580288

約数和(自身を除く): 77007868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 502, 1004, 1255, 1553, 1757, 2510, 3106, 3514, 5020, 6212, 7028, 7765, 8785, 10871, 15530, 17570, 21742, 31060, 35140, 43484, 54355, 108710, 217420, 389803, 779606, 1559212, 1949015, 2728621, 3898030, 5457242, 7796060, 10914484, 13643105, 27286210, 54572420]

約数ペア:

[(1, 54572420), (2, 27286210), (4, 13643105), (5, 10914484), (7, 7796060), (10, 5457242), (14, 3898030), (20, 2728621), (28, 1949015), (35, 1559212), (70, 779606), (140, 389803), (251, 217420), (502, 108710), (1004, 54355), (1255, 43484), (1553, 35140), (1757, 31060), (2510, 21742), (3106, 17570), (3514, 15530), (5020, 10871), (6212, 8785), (7028, 7765)]