205251190

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{1973}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 376923456

約数和(自身を除く): 171672266

約数列:

[1, 2, 5, 10, 101, 103, 202, 206, 505, 515, 1010, 1030, 1973, 3946, 9865, 10403, 19730, 20806, 52015, 104030, 199273, 203219, 398546, 406438, 996365, 1016095, 1992730, 2032190, 20525119, 41050238, 102625595, 205251190]

約数ペア:

[(1, 205251190), (2, 102625595), (5, 41050238), (10, 20525119), (101, 2032190), (103, 1992730), (202, 1016095), (206, 996365), (505, 406438), (515, 398546), (1010, 203219), (1030, 199273), (1973, 104030), (3946, 52015), (9865, 20806), (10403, 19730)]