12189800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{8707}}^1$

素因数の和:8730

約数の個数: 48

約数和(自身を含む): 32393760

約数和(自身を除く): 20203960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 8707, 17414, 34828, 43535, 60949, 69656, 87070, 121898, 174140, 217675, 243796, 304745, 348280, 435350, 487592, 609490, 870700, 1218980, 1523725, 1741400, 2437960, 3047450, 6094900, 12189800]

約数ペア:

[(1, 12189800), (2, 6094900), (4, 3047450), (5, 2437960), (7, 1741400), (8, 1523725), (10, 1218980), (14, 870700), (20, 609490), (25, 487592), (28, 435350), (35, 348280), (40, 304745), (50, 243796), (56, 217675), (70, 174140), (100, 121898), (140, 87070), (175, 69656), (200, 60949), (280, 43535), (350, 34828), (700, 17414), (1400, 8707)]