280196120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{304561}}^1$

素因数の和:304595

約数の個数: 32

約数和(自身を含む): 657853920

約数和(自身を除く): 377657800

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 304561, 609122, 1218244, 1522805, 2436488, 3045610, 6091220, 7004903, 12182440, 14009806, 28019612, 35024515, 56039224, 70049030, 140098060, 280196120]

約数ペア:

[(1, 280196120), (2, 140098060), (4, 70049030), (5, 56039224), (8, 35024515), (10, 28019612), (20, 14009806), (23, 12182440), (40, 7004903), (46, 6091220), (92, 3045610), (115, 2436488), (184, 1522805), (230, 1218244), (460, 609122), (920, 304561)]