400372

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 815360

約数和(自身を除く): 414988

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 181, 316, 362, 553, 724, 1106, 1267, 2212, 2534, 5068, 14299, 28598, 57196, 100093, 200186, 400372]

約数ペア:

[(1, 400372), (2, 200186), (4, 100093), (7, 57196), (14, 28598), (28, 14299), (79, 5068), (158, 2534), (181, 2212), (316, 1267), (362, 1106), (553, 724)]