290415076

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{545893}}^1$

素因数の和:545923

約数の個数: 24

約数和(自身を含む): 611401280

約数和(自身を除く): 320986204

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 545893, 1091786, 2183572, 3821251, 7642502, 10371967, 15285004, 20743934, 41487868, 72603769, 145207538, 290415076]

約数ペア:

[(1, 290415076), (2, 145207538), (4, 72603769), (7, 41487868), (14, 20743934), (19, 15285004), (28, 10371967), (38, 7642502), (76, 3821251), (133, 2183572), (266, 1091786), (532, 545893)]