205121590

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{3391}}^1$

素因数の和:3684

約数の個数: 32

約数和(自身を含む): 386850816

約数和(自身を除く): 181729226

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 263, 526, 1315, 2630, 3391, 6049, 6782, 12098, 16955, 30245, 33910, 60490, 77993, 155986, 389965, 779930, 891833, 1783666, 4459165, 8918330, 20512159, 41024318, 102560795, 205121590]

約数ペア:

[(1, 205121590), (2, 102560795), (5, 41024318), (10, 20512159), (23, 8918330), (46, 4459165), (115, 1783666), (230, 891833), (263, 779930), (526, 389965), (1315, 155986), (2630, 77993), (3391, 60490), (6049, 33910), (6782, 30245), (12098, 16955)]