139538804540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{50926571}}^1$

素因数の和:50926717

約数の個数: 24

約数和(自身を含む): 295170411312

約数和(自身を除く): 155631606772

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 50926571, 101853142, 203706284, 254632855, 509265710, 1018531420, 6976940227, 13953880454, 27907760908, 34884701135, 69769402270, 139538804540]

約数ペア:

[(1, 139538804540), (2, 69769402270), (4, 34884701135), (5, 27907760908), (10, 13953880454), (20, 6976940227), (137, 1018531420), (274, 509265710), (548, 254632855), (685, 203706284), (1370, 101853142), (2740, 50926571)]