2687800

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 6361200

約数和(自身を除く): 3673400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 151, 178, 200, 302, 356, 445, 604, 712, 755, 890, 1208, 1510, 1780, 2225, 3020, 3560, 3775, 4450, 6040, 7550, 8900, 13439, 15100, 17800, 26878, 30200, 53756, 67195, 107512, 134390, 268780, 335975, 537560, 671950, 1343900, 2687800]

約数ペア:

[(1, 2687800), (2, 1343900), (4, 671950), (5, 537560), (8, 335975), (10, 268780), (20, 134390), (25, 107512), (40, 67195), (50, 53756), (89, 30200), (100, 26878), (151, 17800), (178, 15100), (200, 13439), (302, 8900), (356, 7550), (445, 6040), (604, 4450), (712, 3775), (755, 3560), (890, 3020), (1208, 2225), (1510, 1780)]