12211220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{87223}}^1$

素因数の和:87239

約数の個数: 24

約数和(自身を含む): 29307264

約数和(自身を除く): 17096044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 87223, 174446, 348892, 436115, 610561, 872230, 1221122, 1744460, 2442244, 3052805, 6105610, 12211220]

約数ペア:

[(1, 12211220), (2, 6105610), (4, 3052805), (5, 2442244), (7, 1744460), (10, 1221122), (14, 872230), (20, 610561), (28, 436115), (35, 348892), (70, 174446), (140, 87223)]