122541320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{278503}}^1$

素因数の和:278525

約数の個数: 32

約数和(自身を含む): 300784320

約数和(自身を除く): 178243000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 278503, 557006, 1114012, 1392515, 2228024, 2785030, 3063533, 5570060, 6127066, 11140120, 12254132, 15317665, 24508264, 30635330, 61270660, 122541320]

約数ペア:

[(1, 122541320), (2, 61270660), (4, 30635330), (5, 24508264), (8, 15317665), (10, 12254132), (11, 11140120), (20, 6127066), (22, 5570060), (40, 3063533), (44, 2785030), (55, 2228024), (88, 1392515), (110, 1114012), (220, 557006), (440, 278503)]