1237100

素因数分解:

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

素因数の和:242

約数の個数: 36

約数和(自身を含む): 2734200

約数和(自身を除く): 1497100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 139, 178, 278, 356, 445, 556, 695, 890, 1390, 1780, 2225, 2780, 3475, 4450, 6950, 8900, 12371, 13900, 24742, 49484, 61855, 123710, 247420, 309275, 618550, 1237100]

約数ペア:

[(1, 1237100), (2, 618550), (4, 309275), (5, 247420), (10, 123710), (20, 61855), (25, 49484), (50, 24742), (89, 13900), (100, 12371), (139, 8900), (178, 6950), (278, 4450), (356, 3475), (445, 2780), (556, 2225), (695, 1780), (890, 1390)]