199912970

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{240859}}^1$

素因数の和:240949

約数の個数: 16

約数和(自身を含む): 364180320

約数和(自身を除く): 164267350

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 240859, 481718, 1204295, 2408590, 19991297, 39982594, 99956485, 199912970]

約数ペア:

[(1, 199912970), (2, 99956485), (5, 39982594), (10, 19991297), (83, 2408590), (166, 1204295), (415, 481718), (830, 240859)]