249965720

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{23761}}^1$

素因数の和:24035

約数の個数: 32

約数和(自身を含む): 564585120

約数和(自身を除く): 314619400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 5260, 10520, 23761, 47522, 95044, 118805, 190088, 237610, 475220, 950440, 6249143, 12498286, 24996572, 31245715, 49993144, 62491430, 124982860, 249965720]

約数ペア:

[(1, 249965720), (2, 124982860), (4, 62491430), (5, 49993144), (8, 31245715), (10, 24996572), (20, 12498286), (40, 6249143), (263, 950440), (526, 475220), (1052, 237610), (1315, 190088), (2104, 118805), (2630, 95044), (5260, 47522), (10520, 23761)]