81288804940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1931}}^1\times {\mathrm{300691}}^1$

素因数の和:302638

約数の個数: 48

約数和(自身を含む): 195194813184

約数和(自身を除く): 113906008244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1931, 3862, 7724, 9655, 13517, 19310, 27034, 38620, 54068, 67585, 135170, 270340, 300691, 601382, 1202764, 1503455, 2104837, 3006910, 4209674, 6013820, 8419348, 10524185, 21048370, 42096740, 580634321, 1161268642, 2322537284, 2903171605, 4064440247, 5806343210, 8128880494, 11612686420, 16257760988, 20322201235, 40644402470, 81288804940]

約数ペア:

[(1, 81288804940), (2, 40644402470), (4, 20322201235), (5, 16257760988), (7, 11612686420), (10, 8128880494), (14, 5806343210), (20, 4064440247), (28, 2903171605), (35, 2322537284), (70, 1161268642), (140, 580634321), (1931, 42096740), (3862, 21048370), (7724, 10524185), (9655, 8419348), (13517, 6013820), (19310, 4209674), (27034, 3006910), (38620, 2104837), (54068, 1503455), (67585, 1202764), (135170, 601382), (270340, 300691)]