157942340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{111227}}^1$

素因数の和:111307

約数の個数: 24

約数和(自身を含む): 336353472

約数和(自身を除く): 178411132

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 111227, 222454, 444908, 556135, 1112270, 2224540, 7897117, 15794234, 31588468, 39485585, 78971170, 157942340]

約数ペア:

[(1, 157942340), (2, 78971170), (4, 39485585), (5, 31588468), (10, 15794234), (20, 7897117), (71, 2224540), (142, 1112270), (284, 556135), (355, 444908), (710, 222454), (1420, 111227)]