202445140

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{142567}}^1$

素因数の和:142647

約数の個数: 24

約数和(自身を含む): 431125632

約数和(自身を除く): 228680492

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 142567, 285134, 570268, 712835, 1425670, 2851340, 10122257, 20244514, 40489028, 50611285, 101222570, 202445140]

約数ペア:

[(1, 202445140), (2, 101222570), (4, 50611285), (5, 40489028), (10, 20244514), (20, 10122257), (71, 2851340), (142, 1425670), (284, 712835), (355, 570268), (710, 285134), (1420, 142567)]