220162460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1572589}}^1$

素因数の和:1572605

約数の個数: 24

約数和(自身を含む): 528390240

約数和(自身を除く): 308227780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1572589, 3145178, 6290356, 7862945, 11008123, 15725890, 22016246, 31451780, 44032492, 55040615, 110081230, 220162460]

約数ペア:

[(1, 220162460), (2, 110081230), (4, 55040615), (5, 44032492), (7, 31451780), (10, 22016246), (14, 15725890), (20, 11008123), (28, 7862945), (35, 6290356), (70, 3145178), (140, 1572589)]