189935515

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 300207600

約数和(自身を除く): 110272085

約数列:

[1, 5, 7, 11, 35, 43, 49, 55, 77, 121, 149, 215, 245, 301, 385, 473, 539, 605, 745, 847, 1043, 1505, 1639, 2107, 2365, 2695, 3311, 4235, 5203, 5215, 5929, 6407, 7301, 8195, 10535, 11473, 16555, 18029, 23177, 26015, 29645, 32035, 36421, 36505, 44849, 57365, 70477, 80311, 90145, 115885, 126203, 182105, 224245, 254947, 313943, 352385, 401555, 493339, 631015, 775247, 883421, 1274735, 1569715, 2466695, 3453373, 3876235, 4417105, 5426729, 17266865, 27133645, 37987103, 189935515]

約数ペア:

[(1, 189935515), (5, 37987103), (7, 27133645), (11, 17266865), (35, 5426729), (43, 4417105), (49, 3876235), (55, 3453373), (77, 2466695), (121, 1569715), (149, 1274735), (215, 883421), (245, 775247), (301, 631015), (385, 493339), (473, 401555), (539, 352385), (605, 313943), (745, 254947), (847, 224245), (1043, 182105), (1505, 126203), (1639, 115885), (2107, 90145), (2365, 80311), (2695, 70477), (3311, 57365), (4235, 44849), (5203, 36505), (5215, 36421), (5929, 32035), (6407, 29645), (7301, 26015), (8195, 23177), (10535, 18029), (11473, 16555)]