1022860

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:465

約数の個数: 24

約数和(自身を含む): 2167200

約数和(自身を除く): 1144340

約数列:

[1, 2, 4, 5, 10, 20, 199, 257, 398, 514, 796, 995, 1028, 1285, 1990, 2570, 3980, 5140, 51143, 102286, 204572, 255715, 511430, 1022860]

約数ペア:

[(1, 1022860), (2, 511430), (4, 255715), (5, 204572), (10, 102286), (20, 51143), (199, 5140), (257, 3980), (398, 2570), (514, 1990), (796, 1285), (995, 1028)]