424400

素因数分解:

$2^4\times 5^2\times {\mathrm{1061}}^1$

素因数の和:1079

約数の個数: 30

約数和(自身を含む): 1020582

約数和(自身を除く): 596182

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1061, 2122, 4244, 5305, 8488, 10610, 16976, 21220, 26525, 42440, 53050, 84880, 106100, 212200, 424400]

約数ペア:

[(1, 424400), (2, 212200), (4, 106100), (5, 84880), (8, 53050), (10, 42440), (16, 26525), (20, 21220), (25, 16976), (40, 10610), (50, 8488), (80, 5305), (100, 4244), (200, 2122), (400, 1061)]