51365020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1901}}^1$

素因数の和:2110

約数の個数: 48

約数和(自身を含む): 123979968

約数和(自身を除く): 72614948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 193, 386, 772, 965, 1351, 1901, 1930, 2702, 3802, 3860, 5404, 6755, 7604, 9505, 13307, 13510, 19010, 26614, 27020, 38020, 53228, 66535, 133070, 266140, 366893, 733786, 1467572, 1834465, 2568251, 3668930, 5136502, 7337860, 10273004, 12841255, 25682510, 51365020]

約数ペア:

[(1, 51365020), (2, 25682510), (4, 12841255), (5, 10273004), (7, 7337860), (10, 5136502), (14, 3668930), (20, 2568251), (28, 1834465), (35, 1467572), (70, 733786), (140, 366893), (193, 266140), (386, 133070), (772, 66535), (965, 53228), (1351, 38020), (1901, 27020), (1930, 26614), (2702, 19010), (3802, 13510), (3860, 13307), (5404, 9505), (6755, 7604)]