201921130

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{145267}}^1$

素因数の和:145413

約数の個数: 16

約数和(自身を含む): 366075360

約数和(自身を除く): 164154230

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 145267, 290534, 726335, 1452670, 20192113, 40384226, 100960565, 201921130]

約数ペア:

[(1, 201921130), (2, 100960565), (5, 40384226), (10, 20192113), (139, 1452670), (278, 726335), (695, 290534), (1390, 145267)]