13811000

素因数分解:

$2^3\times 5^3\times 7^1\times {\mathrm{1973}}^1$

素因数の和:2001

約数の個数: 64

約数和(自身を含む): 36953280

約数和(自身を除く): 23142280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 700, 875, 1000, 1400, 1750, 1973, 3500, 3946, 7000, 7892, 9865, 13811, 15784, 19730, 27622, 39460, 49325, 55244, 69055, 78920, 98650, 110488, 138110, 197300, 246625, 276220, 345275, 394600, 493250, 552440, 690550, 986500, 1381100, 1726375, 1973000, 2762200, 3452750, 6905500, 13811000]

約数ペア:

[(1, 13811000), (2, 6905500), (4, 3452750), (5, 2762200), (7, 1973000), (8, 1726375), (10, 1381100), (14, 986500), (20, 690550), (25, 552440), (28, 493250), (35, 394600), (40, 345275), (50, 276220), (56, 246625), (70, 197300), (100, 138110), (125, 110488), (140, 98650), (175, 78920), (200, 69055), (250, 55244), (280, 49325), (350, 39460), (500, 27622), (700, 19730), (875, 15784), (1000, 13811), (1400, 9865), (1750, 7892), (1973, 7000), (3500, 3946)]