171293320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389303}}^1$

素因数の和:389325

約数の個数: 32

約数和(自身を含む): 420448320

約数和(自身を除く): 249155000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 389303, 778606, 1557212, 1946515, 3114424, 3893030, 4282333, 7786060, 8564666, 15572120, 17129332, 21411665, 34258664, 42823330, 85646660, 171293320]

約数ペア:

[(1, 171293320), (2, 85646660), (4, 42823330), (5, 34258664), (8, 21411665), (10, 17129332), (11, 15572120), (20, 8564666), (22, 7786060), (40, 4282333), (44, 3893030), (55, 3114424), (88, 1946515), (110, 1557212), (220, 778606), (440, 389303)]