12968060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{439}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 31342080

約数和(自身を除く): 18374020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 439, 844, 878, 1055, 1477, 1756, 2110, 2195, 2954, 3073, 4220, 4390, 5908, 6146, 7385, 8780, 12292, 14770, 15365, 29540, 30730, 61460, 92629, 185258, 370516, 463145, 648403, 926290, 1296806, 1852580, 2593612, 3242015, 6484030, 12968060]

約数ペア:

[(1, 12968060), (2, 6484030), (4, 3242015), (5, 2593612), (7, 1852580), (10, 1296806), (14, 926290), (20, 648403), (28, 463145), (35, 370516), (70, 185258), (140, 92629), (211, 61460), (422, 30730), (439, 29540), (844, 15365), (878, 14770), (1055, 12292), (1477, 8780), (1756, 7385), (2110, 6146), (2195, 5908), (2954, 4390), (3073, 4220)]