280888976

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{2383}}^1$

素因数の和:2583

約数の個数: 40

約数和(自身を含む): 558714240

約数和(自身を除く): 277825264

約数列:

[1, 2, 4, 8, 16, 53, 106, 139, 212, 278, 424, 556, 848, 1112, 2224, 2383, 4766, 7367, 9532, 14734, 19064, 29468, 38128, 58936, 117872, 126299, 252598, 331237, 505196, 662474, 1010392, 1324948, 2020784, 2649896, 5299792, 17555561, 35111122, 70222244, 140444488, 280888976]

約数ペア:

[(1, 280888976), (2, 140444488), (4, 70222244), (8, 35111122), (16, 17555561), (53, 5299792), (106, 2649896), (139, 2020784), (212, 1324948), (278, 1010392), (424, 662474), (556, 505196), (848, 331237), (1112, 252598), (2224, 126299), (2383, 117872), (4766, 58936), (7367, 38128), (9532, 29468), (14734, 19064)]