70717780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{72161}}^1$

素因数の和:72184

約数の個数: 36

約数和(自身を含む): 172755828

約数和(自身を除く): 102038048

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 72161, 144322, 288644, 360805, 505127, 721610, 1010254, 1443220, 2020508, 2525635, 3535889, 5051270, 7071778, 10102540, 14143556, 17679445, 35358890, 70717780]

約数ペア:

[(1, 70717780), (2, 35358890), (4, 17679445), (5, 14143556), (7, 10102540), (10, 7071778), (14, 5051270), (20, 3535889), (28, 2525635), (35, 2020508), (49, 1443220), (70, 1010254), (98, 721610), (140, 505127), (196, 360805), (245, 288644), (490, 144322), (980, 72161)]