1279681060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1305797}}^1$

素因数の和:1305820

約数の個数: 36

約数和(自身を含む): 3126080412

約数和(自身を除く): 1846399352

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1305797, 2611594, 5223188, 6528985, 9140579, 13057970, 18281158, 26115940, 36562316, 45702895, 63984053, 91405790, 127968106, 182811580, 255936212, 319920265, 639840530, 1279681060]

約数ペア:

[(1, 1279681060), (2, 639840530), (4, 319920265), (5, 255936212), (7, 182811580), (10, 127968106), (14, 91405790), (20, 63984053), (28, 45702895), (35, 36562316), (49, 26115940), (70, 18281158), (98, 13057970), (140, 9140579), (196, 6528985), (245, 5223188), (490, 2611594), (980, 1305797)]