13951944020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{256187}}^1$

素因数の和:256592

約数の個数: 48

約数和(自身を含む): 33570875520

約数和(自身を除く): 19618931500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 389, 778, 1556, 1945, 2723, 3890, 5446, 7780, 10892, 13615, 27230, 54460, 256187, 512374, 1024748, 1280935, 1793309, 2561870, 3586618, 5123740, 7173236, 8966545, 17933090, 35866180, 99656743, 199313486, 398626972, 498283715, 697597201, 996567430, 1395194402, 1993134860, 2790388804, 3487986005, 6975972010, 13951944020]

約数ペア:

[(1, 13951944020), (2, 6975972010), (4, 3487986005), (5, 2790388804), (7, 1993134860), (10, 1395194402), (14, 996567430), (20, 697597201), (28, 498283715), (35, 398626972), (70, 199313486), (140, 99656743), (389, 35866180), (778, 17933090), (1556, 8966545), (1945, 7173236), (2723, 5123740), (3890, 3586618), (5446, 2561870), (7780, 1793309), (10892, 1280935), (13615, 1024748), (27230, 512374), (54460, 256187)]