289363910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{13219}}^1$

素因数の和:13436

約数の個数: 32

約数和(自身を含む): 571104000

約数和(自身を除く): 281740090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 199, 398, 995, 1990, 2189, 4378, 10945, 13219, 21890, 26438, 66095, 132190, 145409, 290818, 727045, 1454090, 2630581, 5261162, 13152905, 26305810, 28936391, 57872782, 144681955, 289363910]

約数ペア:

[(1, 289363910), (2, 144681955), (5, 57872782), (10, 28936391), (11, 26305810), (22, 13152905), (55, 5261162), (110, 2630581), (199, 1454090), (398, 727045), (995, 290818), (1990, 145409), (2189, 132190), (4378, 66095), (10945, 26438), (13219, 21890)]