219125620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1565183}}^1$

素因数の和:1565199

約数の個数: 24

約数和(自身を含む): 525901824

約数和(自身を除く): 306776204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1565183, 3130366, 6260732, 7825915, 10956281, 15651830, 21912562, 31303660, 43825124, 54781405, 109562810, 219125620]

約数ペア:

[(1, 219125620), (2, 109562810), (4, 54781405), (5, 43825124), (7, 31303660), (10, 21912562), (14, 15651830), (20, 10956281), (28, 7825915), (35, 6260732), (70, 3130366), (140, 1565183)]