1249266820

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{188711}}^1$

素因数の和:189051

約数の個数: 24

約数和(自身を含む): 2631400128

約数和(自身を除く): 1382133308

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 3310, 6620, 188711, 377422, 754844, 943555, 1887110, 3774220, 62463341, 124926682, 249853364, 312316705, 624633410, 1249266820]

約数ペア:

[(1, 1249266820), (2, 624633410), (4, 312316705), (5, 249853364), (10, 124926682), (20, 62463341), (331, 3774220), (662, 1887110), (1324, 943555), (1655, 754844), (3310, 377422), (6620, 188711)]