12441940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{491}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 30086784

約数和(自身を除く): 17644844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 491, 724, 905, 982, 1267, 1810, 1964, 2455, 2534, 3437, 3620, 4910, 5068, 6335, 6874, 9820, 12670, 13748, 17185, 25340, 34370, 68740, 88871, 177742, 355484, 444355, 622097, 888710, 1244194, 1777420, 2488388, 3110485, 6220970, 12441940]

約数ペア:

[(1, 12441940), (2, 6220970), (4, 3110485), (5, 2488388), (7, 1777420), (10, 1244194), (14, 888710), (20, 622097), (28, 444355), (35, 355484), (70, 177742), (140, 88871), (181, 68740), (362, 34370), (491, 25340), (724, 17185), (905, 13748), (982, 12670), (1267, 9820), (1810, 6874), (1964, 6335), (2455, 5068), (2534, 4910), (3437, 3620)]