54400220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{388573}}^1$

素因数の和:388589

約数の個数: 24

約数和(自身を含む): 130560864

約数和(自身を除く): 76160644

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 388573, 777146, 1554292, 1942865, 2720011, 3885730, 5440022, 7771460, 10880044, 13600055, 27200110, 54400220]

約数ペア:

[(1, 54400220), (2, 27200110), (4, 13600055), (5, 10880044), (7, 7771460), (10, 5440022), (14, 3885730), (20, 2720011), (28, 1942865), (35, 1554292), (70, 777146), (140, 388573)]