200786780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10151}}^1$

素因数の和:10226

約数の個数: 48

約数和(自身を含む): 450261504

約数和(自身を除く): 249474724

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3956, 4945, 9890, 10151, 19780, 20302, 40604, 50755, 101510, 203020, 233473, 436493, 466946, 872986, 933892, 1167365, 1745972, 2182465, 2334730, 4364930, 4669460, 8729860, 10039339, 20078678, 40157356, 50196695, 100393390, 200786780]

約数ペア:

[(1, 200786780), (2, 100393390), (4, 50196695), (5, 40157356), (10, 20078678), (20, 10039339), (23, 8729860), (43, 4669460), (46, 4364930), (86, 2334730), (92, 2182465), (115, 1745972), (172, 1167365), (215, 933892), (230, 872986), (430, 466946), (460, 436493), (860, 233473), (989, 203020), (1978, 101510), (3956, 50755), (4945, 40604), (9890, 20302), (10151, 19780)]