280247632

素因数分解:

$2^4\times 7^1\times {\mathrm{2502211}}^1$

素因数の和:2502226

約数の個数: 20

約数和(自身を含む): 620548576

約数和(自身を除く): 340300944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2502211, 5004422, 10008844, 17515477, 20017688, 35030954, 40035376, 70061908, 140123816, 280247632]

約数ペア:

[(1, 280247632), (2, 140123816), (4, 70061908), (7, 40035376), (8, 35030954), (14, 20017688), (16, 17515477), (28, 10008844), (56, 5004422), (112, 2502211)]