243312980

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{7561}}^1$

素因数の和:9179

約数の個数: 24

約数和(自身を含む): 511342440

約数和(自身を除く): 268029460

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 6436, 7561, 8045, 15122, 16090, 30244, 32180, 37805, 75610, 151220, 12165649, 24331298, 48662596, 60828245, 121656490, 243312980]

約数ペア:

[(1, 243312980), (2, 121656490), (4, 60828245), (5, 48662596), (10, 24331298), (20, 12165649), (1609, 151220), (3218, 75610), (6436, 37805), (7561, 32180), (8045, 30244), (15122, 16090)]