393981130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{523}}^1\times {\mathrm{1061}}^1$

素因数の和:1662

約数の個数: 32

約数和(自身を含む): 721208448

約数和(自身を除く): 327227318

約数列:

[1, 2, 5, 10, 71, 142, 355, 523, 710, 1046, 1061, 2122, 2615, 5230, 5305, 10610, 37133, 74266, 75331, 150662, 185665, 371330, 376655, 554903, 753310, 1109806, 2774515, 5549030, 39398113, 78796226, 196990565, 393981130]

約数ペア:

[(1, 393981130), (2, 196990565), (5, 78796226), (10, 39398113), (71, 5549030), (142, 2774515), (355, 1109806), (523, 753310), (710, 554903), (1046, 376655), (1061, 371330), (2122, 185665), (2615, 150662), (5230, 75331), (5305, 74266), (10610, 37133)]