121782380

素因数分解:

$2^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{3931}}^1$

素因数の和:5489

約数の個数: 24

約数和(自身を含む): 255973200

約数和(自身を除く): 134190820

約数列:

[1, 2, 4, 5, 10, 20, 1549, 3098, 3931, 6196, 7745, 7862, 15490, 15724, 19655, 30980, 39310, 78620, 6089119, 12178238, 24356476, 30445595, 60891190, 121782380]

約数ペア:

[(1, 121782380), (2, 60891190), (4, 30445595), (5, 24356476), (10, 12178238), (20, 6089119), (1549, 78620), (3098, 39310), (3931, 30980), (6196, 19655), (7745, 15724), (7862, 15490)]