117873320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{68531}}^1$

素因数の和:68585

約数の個数: 32

約数和(自身を含む): 271386720

約数和(自身を除く): 153513400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 68531, 137062, 274124, 342655, 548248, 685310, 1370620, 2741240, 2946833, 5893666, 11787332, 14734165, 23574664, 29468330, 58936660, 117873320]

約数ペア:

[(1, 117873320), (2, 58936660), (4, 29468330), (5, 23574664), (8, 14734165), (10, 11787332), (20, 5893666), (40, 2946833), (43, 2741240), (86, 1370620), (172, 685310), (215, 548248), (344, 342655), (430, 274124), (860, 137062), (1720, 68531)]