12218780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{87277}}^1$

素因数の和:87293

約数の個数: 24

約数和(自身を含む): 29325408

約数和(自身を除く): 17106628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 87277, 174554, 349108, 436385, 610939, 872770, 1221878, 1745540, 2443756, 3054695, 6109390, 12218780]

約数ペア:

[(1, 12218780), (2, 6109390), (4, 3054695), (5, 2443756), (7, 1745540), (10, 1221878), (14, 872770), (20, 610939), (28, 436385), (35, 349108), (70, 174554), (140, 87277)]