199250140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{140317}}^1$

素因数の和:140397

約数の個数: 24

約数和(自身を含む): 424321632

約数和(自身を除く): 225071492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 140317, 280634, 561268, 701585, 1403170, 2806340, 9962507, 19925014, 39850028, 49812535, 99625070, 199250140]

約数ペア:

[(1, 199250140), (2, 99625070), (4, 49812535), (5, 39850028), (10, 19925014), (20, 9962507), (71, 2806340), (142, 1403170), (284, 701585), (355, 561268), (710, 280634), (1420, 140317)]