279037780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1993127}}^1$

素因数の和:1993143

約数の個数: 24

約数和(自身を含む): 669691008

約数和(自身を除く): 390653228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1993127, 3986254, 7972508, 9965635, 13951889, 19931270, 27903778, 39862540, 55807556, 69759445, 139518890, 279037780]

約数ペア:

[(1, 279037780), (2, 139518890), (4, 69759445), (5, 55807556), (7, 39862540), (10, 27903778), (14, 19931270), (20, 13951889), (28, 9965635), (35, 7972508), (70, 3986254), (140, 1993127)]