12471340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{389}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 30139200

約数和(自身を除く): 17667860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 389, 458, 778, 916, 1145, 1556, 1603, 1945, 2290, 2723, 3206, 3890, 4580, 5446, 6412, 7780, 8015, 10892, 13615, 16030, 27230, 32060, 54460, 89081, 178162, 356324, 445405, 623567, 890810, 1247134, 1781620, 2494268, 3117835, 6235670, 12471340]

約数ペア:

[(1, 12471340), (2, 6235670), (4, 3117835), (5, 2494268), (7, 1781620), (10, 1247134), (14, 890810), (20, 623567), (28, 445405), (35, 356324), (70, 178162), (140, 89081), (229, 54460), (389, 32060), (458, 27230), (778, 16030), (916, 13615), (1145, 10892), (1556, 8015), (1603, 7780), (1945, 6412), (2290, 5446), (2723, 4580), (3206, 3890)]