219317420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{68111}}^1$

素因数の和:68150

約数の個数: 48

約数和(自身を含む): 549255168

約数和(自身を除く): 329937748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 68111, 136222, 272444, 340555, 476777, 681110, 953554, 1362220, 1566553, 1907108, 2383885, 3133106, 4767770, 6266212, 7832765, 9535540, 10965871, 15665530, 21931742, 31331060, 43863484, 54829355, 109658710, 219317420]

約数ペア:

[(1, 219317420), (2, 109658710), (4, 54829355), (5, 43863484), (7, 31331060), (10, 21931742), (14, 15665530), (20, 10965871), (23, 9535540), (28, 7832765), (35, 6266212), (46, 4767770), (70, 3133106), (92, 2383885), (115, 1907108), (140, 1566553), (161, 1362220), (230, 953554), (322, 681110), (460, 476777), (644, 340555), (805, 272444), (1610, 136222), (3220, 68111)]