219924460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1570889}}^1$

素因数の和:1570905

約数の個数: 24

約数和(自身を含む): 527819040

約数和(自身を除く): 307894580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1570889, 3141778, 6283556, 7854445, 10996223, 15708890, 21992446, 31417780, 43984892, 54981115, 109962230, 219924460]

約数ペア:

[(1, 219924460), (2, 109962230), (4, 54981115), (5, 43984892), (7, 31417780), (10, 21992446), (14, 15708890), (20, 10996223), (28, 7854445), (35, 6283556), (70, 3141778), (140, 1570889)]