77247820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1493}}^1$

素因数の和:1714

約数の個数: 48

約数和(自身を含む): 175694400

約数和(自身を除く): 98446580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1493, 1990, 2587, 2986, 3980, 5174, 5972, 7465, 10348, 12935, 14930, 19409, 25870, 29860, 38818, 51740, 77636, 97045, 194090, 297107, 388180, 594214, 1188428, 1485535, 2971070, 3862391, 5942140, 7724782, 15449564, 19311955, 38623910, 77247820]

約数ペア:

[(1, 77247820), (2, 38623910), (4, 19311955), (5, 15449564), (10, 7724782), (13, 5942140), (20, 3862391), (26, 2971070), (52, 1485535), (65, 1188428), (130, 594214), (199, 388180), (260, 297107), (398, 194090), (796, 97045), (995, 77636), (1493, 51740), (1990, 38818), (2587, 29860), (2986, 25870), (3980, 19409), (5174, 14930), (5972, 12935), (7465, 10348)]