870140

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{313}}^1$

素因数の和:461

約数の個数: 24

約数和(自身を含む): 1846320

約数和(自身を除く): 976180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 313, 556, 626, 695, 1252, 1390, 1565, 2780, 3130, 6260, 43507, 87014, 174028, 217535, 435070, 870140]

約数ペア:

[(1, 870140), (2, 435070), (4, 217535), (5, 174028), (10, 87014), (20, 43507), (139, 6260), (278, 3130), (313, 2780), (556, 1565), (626, 1390), (695, 1252)]