280940684

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{439}}^1\times {\mathrm{1151}}^1$

素因数の和:1733

約数の個数: 24

約数和(自身を含む): 496742400

約数和(自身を除く): 215801716

約数列:

[1, 2, 4, 139, 278, 439, 556, 878, 1151, 1756, 2302, 4604, 61021, 122042, 159989, 244084, 319978, 505289, 639956, 1010578, 2021156, 70235171, 140470342, 280940684]

約数ペア:

[(1, 280940684), (2, 140470342), (4, 70235171), (139, 2021156), (278, 1010578), (439, 639956), (556, 505289), (878, 319978), (1151, 244084), (1756, 159989), (2302, 122042), (4604, 61021)]