291228980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2080207}}^1$

素因数の和:2080223

約数の個数: 24

約数和(自身を含む): 698949888

約数和(自身を除く): 407720908

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2080207, 4160414, 8320828, 10401035, 14561449, 20802070, 29122898, 41604140, 58245796, 72807245, 145614490, 291228980]

約数ペア:

[(1, 291228980), (2, 145614490), (4, 72807245), (5, 58245796), (7, 41604140), (10, 29122898), (14, 20802070), (20, 14561449), (28, 10401035), (35, 8320828), (70, 4160414), (140, 2080207)]