172249640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4481}}^1$

素因数の和:4554

約数の個数: 48

約数和(自身を含む): 400556340

約数和(自身を除く): 228306700

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4481, 4805, 7688, 8962, 9610, 17924, 19220, 22405, 35848, 38440, 44810, 89620, 138911, 179240, 277822, 555644, 694555, 1111288, 1389110, 2778220, 4306241, 5556440, 8612482, 17224964, 21531205, 34449928, 43062410, 86124820, 172249640]

約数ペア:

[(1, 172249640), (2, 86124820), (4, 43062410), (5, 34449928), (8, 21531205), (10, 17224964), (20, 8612482), (31, 5556440), (40, 4306241), (62, 2778220), (124, 1389110), (155, 1111288), (248, 694555), (310, 555644), (620, 277822), (961, 179240), (1240, 138911), (1922, 89620), (3844, 44810), (4481, 38440), (4805, 35848), (7688, 22405), (8962, 19220), (9610, 17924)]