219923620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1570883}}^1$

素因数の和:1570899

約数の個数: 24

約数和(自身を含む): 527817024

約数和(自身を除く): 307893404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1570883, 3141766, 6283532, 7854415, 10996181, 15708830, 21992362, 31417660, 43984724, 54980905, 109961810, 219923620]

約数ペア:

[(1, 219923620), (2, 109961810), (4, 54980905), (5, 43984724), (7, 31417660), (10, 21992362), (14, 15708830), (20, 10996181), (28, 7854415), (35, 6283532), (70, 3141766), (140, 1570883)]