219025840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{248893}}^1$

素因数の和:248917

約数の個数: 40

約数和(自身を含む): 555531408

約数和(自身を除く): 336505568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 248893, 497786, 995572, 1244465, 1991144, 2488930, 2737823, 3982288, 4977860, 5475646, 9955720, 10951292, 13689115, 19911440, 21902584, 27378230, 43805168, 54756460, 109512920, 219025840]

約数ペア:

[(1, 219025840), (2, 109512920), (4, 54756460), (5, 43805168), (8, 27378230), (10, 21902584), (11, 19911440), (16, 13689115), (20, 10951292), (22, 9955720), (40, 5475646), (44, 4977860), (55, 3982288), (80, 2737823), (88, 2488930), (110, 1991144), (176, 1244465), (220, 995572), (440, 497786), (880, 248893)]