12211480

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^2\times {\mathrm{223}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 28365120

約数和(自身を除く): 16153640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 223, 296, 370, 446, 740, 892, 1115, 1369, 1480, 1784, 2230, 2738, 4460, 5476, 6845, 8251, 8920, 10952, 13690, 16502, 27380, 33004, 41255, 54760, 66008, 82510, 165020, 305287, 330040, 610574, 1221148, 1526435, 2442296, 3052870, 6105740, 12211480]

約数ペア:

[(1, 12211480), (2, 6105740), (4, 3052870), (5, 2442296), (8, 1526435), (10, 1221148), (20, 610574), (37, 330040), (40, 305287), (74, 165020), (148, 82510), (185, 66008), (223, 54760), (296, 41255), (370, 33004), (446, 27380), (740, 16502), (892, 13690), (1115, 10952), (1369, 8920), (1480, 8251), (1784, 6845), (2230, 5476), (2738, 4460)]