228539560

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{28711}}^1$

素因数の和:28921

約数の個数: 32

約数和(自身を含む): 516816000

約数和(自身を除く): 288276440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 28711, 57422, 114844, 143555, 229688, 287110, 574220, 1148440, 5713489, 11426978, 22853956, 28567445, 45707912, 57134890, 114269780, 228539560]

約数ペア:

[(1, 228539560), (2, 114269780), (4, 57134890), (5, 45707912), (8, 28567445), (10, 22853956), (20, 11426978), (40, 5713489), (199, 1148440), (398, 574220), (796, 287110), (995, 229688), (1592, 143555), (1990, 114844), (3980, 57422), (7960, 28711)]