208598260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{4157}}^1$

素因数の和:4372

約数の個数: 48

約数和(自身を含む): 474311376

約数和(自身を除く): 265713116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 386, 772, 965, 1930, 2509, 3860, 4157, 5018, 8314, 10036, 12545, 16628, 20785, 25090, 41570, 50180, 54041, 83140, 108082, 216164, 270205, 540410, 802301, 1080820, 1604602, 3209204, 4011505, 8023010, 10429913, 16046020, 20859826, 41719652, 52149565, 104299130, 208598260]

約数ペア:

[(1, 208598260), (2, 104299130), (4, 52149565), (5, 41719652), (10, 20859826), (13, 16046020), (20, 10429913), (26, 8023010), (52, 4011505), (65, 3209204), (130, 1604602), (193, 1080820), (260, 802301), (386, 540410), (772, 270205), (965, 216164), (1930, 108082), (2509, 83140), (3860, 54041), (4157, 50180), (5018, 41570), (8314, 25090), (10036, 20785), (12545, 16628)]