620424487010

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{311771099}}^1$

素因数の和:311771305

約数の個数: 16

約数和(自身を含む): 1122375960000

約数和(自身を除く): 501951472990

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 311771099, 623542198, 1558855495, 3117710990, 62042448701, 124084897402, 310212243505, 620424487010]

約数ペア:

[(1, 620424487010), (2, 310212243505), (5, 124084897402), (10, 62042448701), (199, 3117710990), (398, 1558855495), (995, 623542198), (1990, 311771099)]