30894220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{220673}}^1$

素因数の和:220689

約数の個数: 24

約数和(自身を含む): 74146464

約数和(自身を除く): 43252244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 220673, 441346, 882692, 1103365, 1544711, 2206730, 3089422, 4413460, 6178844, 7723555, 15447110, 30894220]

約数ペア:

[(1, 30894220), (2, 15447110), (4, 7723555), (5, 6178844), (7, 4413460), (10, 3089422), (14, 2206730), (20, 1544711), (28, 1103365), (35, 882692), (70, 441346), (140, 220673)]