203996890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{4457}}^1$

素因数の和:4686

約数の個数: 32

約数和(自身を含む): 385171200

約数和(自身を除く): 181174310

約数列:

[1, 2, 5, 10, 23, 46, 115, 199, 230, 398, 995, 1990, 4457, 4577, 8914, 9154, 22285, 22885, 44570, 45770, 102511, 205022, 512555, 886943, 1025110, 1773886, 4434715, 8869430, 20399689, 40799378, 101998445, 203996890]

約数ペア:

[(1, 203996890), (2, 101998445), (5, 40799378), (10, 20399689), (23, 8869430), (46, 4434715), (115, 1773886), (199, 1025110), (230, 886943), (398, 512555), (995, 205022), (1990, 102511), (4457, 45770), (4577, 44570), (8914, 22885), (9154, 22285)]