4948400

素因数分解:

$2^4\times 5^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:246

約数の個数: 60

約数和(自身を含む): 12108600

約数和(自身を除く): 7160200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 89, 100, 139, 178, 200, 278, 356, 400, 445, 556, 695, 712, 890, 1112, 1390, 1424, 1780, 2224, 2225, 2780, 3475, 3560, 4450, 5560, 6950, 7120, 8900, 11120, 12371, 13900, 17800, 24742, 27800, 35600, 49484, 55600, 61855, 98968, 123710, 197936, 247420, 309275, 494840, 618550, 989680, 1237100, 2474200, 4948400]

約数ペア:

[(1, 4948400), (2, 2474200), (4, 1237100), (5, 989680), (8, 618550), (10, 494840), (16, 309275), (20, 247420), (25, 197936), (40, 123710), (50, 98968), (80, 61855), (89, 55600), (100, 49484), (139, 35600), (178, 27800), (200, 24742), (278, 17800), (356, 13900), (400, 12371), (445, 11120), (556, 8900), (695, 7120), (712, 6950), (890, 5560), (1112, 4450), (1390, 3560), (1424, 3475), (1780, 2780), (2224, 2225)]