189958540

素因数分解:

$2^2\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{5903}}^1$

素因数の和:7521

約数の個数: 24

約数和(自身を含む): 399228480

約数和(自身を除く): 209269940

約数列:

[1, 2, 4, 5, 10, 20, 1609, 3218, 5903, 6436, 8045, 11806, 16090, 23612, 29515, 32180, 59030, 118060, 9497927, 18995854, 37991708, 47489635, 94979270, 189958540]

約数ペア:

[(1, 189958540), (2, 94979270), (4, 47489635), (5, 37991708), (10, 18995854), (20, 9497927), (1609, 118060), (3218, 59030), (5903, 32180), (6436, 29515), (8045, 23612), (11806, 16090)]