2716220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 6359808

約数和(自身を除く): 3643588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 337, 403, 620, 674, 806, 1348, 1612, 1685, 2015, 3370, 4030, 4381, 6740, 8060, 8762, 10447, 17524, 20894, 21905, 41788, 43810, 52235, 87620, 104470, 135811, 208940, 271622, 543244, 679055, 1358110, 2716220]

約数ペア:

[(1, 2716220), (2, 1358110), (4, 679055), (5, 543244), (10, 271622), (13, 208940), (20, 135811), (26, 104470), (31, 87620), (52, 52235), (62, 43810), (65, 41788), (124, 21905), (130, 20894), (155, 17524), (260, 10447), (310, 8762), (337, 8060), (403, 6740), (620, 4381), (674, 4030), (806, 3370), (1348, 2015), (1612, 1685)]