1020488975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3121}}^1$

素因数の和:3212

約数の個数: 48

約数和(自身を含む): 1463343840

約数和(自身を除く): 442854865

約数列:

[1, 5, 11, 25, 29, 41, 55, 145, 205, 275, 319, 451, 725, 1025, 1189, 1595, 2255, 3121, 5945, 7975, 11275, 13079, 15605, 29725, 34331, 65395, 78025, 90509, 127961, 171655, 326975, 452545, 639805, 858275, 995599, 1407571, 2262725, 3199025, 3710869, 4977995, 7037855, 18554345, 24889975, 35189275, 40819559, 92771725, 204097795, 1020488975]

約数ペア:

[(1, 1020488975), (5, 204097795), (11, 92771725), (25, 40819559), (29, 35189275), (41, 24889975), (55, 18554345), (145, 7037855), (205, 4977995), (275, 3710869), (319, 3199025), (451, 2262725), (725, 1407571), (1025, 995599), (1189, 858275), (1595, 639805), (2255, 452545), (3121, 326975), (5945, 171655), (7975, 127961), (11275, 90509), (13079, 78025), (15605, 65395), (29725, 34331)]