383899460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2742139}}^1$

素因数の和:2742155

約数の個数: 24

約数和(自身を含む): 921359040

約数和(自身を除く): 537459580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2742139, 5484278, 10968556, 13710695, 19194973, 27421390, 38389946, 54842780, 76779892, 95974865, 191949730, 383899460]

約数ペア:

[(1, 383899460), (2, 191949730), (4, 95974865), (5, 76779892), (7, 54842780), (10, 38389946), (14, 27421390), (20, 19194973), (28, 13710695), (35, 10968556), (70, 5484278), (140, 2742139)]