1405014740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1\times {\mathrm{1361}}^1$

素因数の和:2168

約数の個数: 48

約数和(自身を含む): 2998404864

約数和(自身を除く): 1593390124

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 727, 1361, 1420, 1454, 2722, 2908, 3635, 5444, 6805, 7270, 13610, 14540, 27220, 51617, 96631, 103234, 193262, 206468, 258085, 386524, 483155, 516170, 966310, 989447, 1032340, 1932620, 1978894, 3957788, 4947235, 9894470, 19788940, 70250737, 140501474, 281002948, 351253685, 702507370, 1405014740]

約数ペア:

[(1, 1405014740), (2, 702507370), (4, 351253685), (5, 281002948), (10, 140501474), (20, 70250737), (71, 19788940), (142, 9894470), (284, 4947235), (355, 3957788), (710, 1978894), (727, 1932620), (1361, 1032340), (1420, 989447), (1454, 966310), (2722, 516170), (2908, 483155), (3635, 386524), (5444, 258085), (6805, 206468), (7270, 193262), (13610, 103234), (14540, 96631), (27220, 51617)]