828771980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1336729}}^1$

素因数の和:1336769

約数の個数: 24

約数和(自身を含む): 1796565120

約数和(自身を除く): 967793140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1336729, 2673458, 5346916, 6683645, 13367290, 26734580, 41438599, 82877198, 165754396, 207192995, 414385990, 828771980]

約数ペア:

[(1, 828771980), (2, 414385990), (4, 207192995), (5, 165754396), (10, 82877198), (20, 41438599), (31, 26734580), (62, 13367290), (124, 6683645), (155, 5346916), (310, 2673458), (620, 1336729)]