2979920

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^2$

素因数の和:399

約数の個数: 30

約数和(自身を含む): 6964398

約数和(自身を除く): 3984478

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 15440, 37249, 74498, 148996, 186245, 297992, 372490, 595984, 744980, 1489960, 2979920]

約数ペア:

[(1, 2979920), (2, 1489960), (4, 744980), (5, 595984), (8, 372490), (10, 297992), (16, 186245), (20, 148996), (40, 74498), (80, 37249), (193, 15440), (386, 7720), (772, 3860), (965, 3088), (1544, 1930)]