2474200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 5859000

約数和(自身を除く): 3384800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 139, 178, 200, 278, 356, 445, 556, 695, 712, 890, 1112, 1390, 1780, 2225, 2780, 3475, 3560, 4450, 5560, 6950, 8900, 12371, 13900, 17800, 24742, 27800, 49484, 61855, 98968, 123710, 247420, 309275, 494840, 618550, 1237100, 2474200]

約数ペア:

[(1, 2474200), (2, 1237100), (4, 618550), (5, 494840), (8, 309275), (10, 247420), (20, 123710), (25, 98968), (40, 61855), (50, 49484), (89, 27800), (100, 24742), (139, 17800), (178, 13900), (200, 12371), (278, 8900), (356, 6950), (445, 5560), (556, 4450), (695, 3560), (712, 3475), (890, 2780), (1112, 2225), (1390, 1780)]