123034220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 263880288

約数和(自身を除く): 140846068

約数列:

[1, 2, 4, 5, 10, 20, 83, 137, 166, 274, 332, 415, 541, 548, 685, 830, 1082, 1370, 1660, 2164, 2705, 2740, 5410, 10820, 11371, 22742, 44903, 45484, 56855, 74117, 89806, 113710, 148234, 179612, 224515, 227420, 296468, 370585, 449030, 741170, 898060, 1482340, 6151711, 12303422, 24606844, 30758555, 61517110, 123034220]

約数ペア:

[(1, 123034220), (2, 61517110), (4, 30758555), (5, 24606844), (10, 12303422), (20, 6151711), (83, 1482340), (137, 898060), (166, 741170), (274, 449030), (332, 370585), (415, 296468), (541, 227420), (548, 224515), (685, 179612), (830, 148234), (1082, 113710), (1370, 89806), (1660, 74117), (2164, 56855), (2705, 45484), (2740, 44903), (5410, 22742), (10820, 11371)]