206879020

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{10459}}^1$

素因数の和:10534

約数の個数: 48

約数和(自身を含む): 463921920

約数和(自身を除く): 257042900

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, 10459, 19780, 20918, 41836, 52295, 104590, 209180, 240557, 449737, 481114, 899474, 962228, 1202785, 1798948, 2248685, 2405570, 4497370, 4811140, 8994740, 10343951, 20687902, 41375804, 51719755, 103439510, 206879020]

約数ペア:

[(1, 206879020), (2, 103439510), (4, 51719755), (5, 41375804), (10, 20687902), (20, 10343951), (23, 8994740), (43, 4811140), (46, 4497370), (86, 2405570), (92, 2248685), (115, 1798948), (172, 1202785), (215, 962228), (230, 899474), (430, 481114), (460, 449737), (860, 240557), (989, 209180), (1978, 104590), (3956, 52295), (4945, 41836), (9890, 20918), (10459, 19780)]