289366820

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{43711}}^1$

素因数の和:44051

約数の個数: 24

約数和(自身を含む): 609520128

約数和(自身を除く): 320153308

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 43711, 87422, 174844, 218555, 437110, 874220, 14468341, 28936682, 57873364, 72341705, 144683410, 289366820]

約数ペア:

[(1, 289366820), (2, 144683410), (4, 72341705), (5, 57873364), (10, 28936682), (20, 14468341), (331, 874220), (662, 437110), (1324, 218555), (1655, 174844), (3310, 87422), (6620, 43711)]