55130180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2833}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 133311360

約数和(自身を除く): 78181180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 2833, 3892, 4865, 5666, 9730, 11332, 14165, 19460, 19831, 28330, 39662, 56660, 79324, 99155, 198310, 393787, 396620, 787574, 1575148, 1968935, 2756509, 3937870, 5513018, 7875740, 11026036, 13782545, 27565090, 55130180]

約数ペア:

[(1, 55130180), (2, 27565090), (4, 13782545), (5, 11026036), (7, 7875740), (10, 5513018), (14, 3937870), (20, 2756509), (28, 1968935), (35, 1575148), (70, 787574), (139, 396620), (140, 393787), (278, 198310), (556, 99155), (695, 79324), (973, 56660), (1390, 39662), (1946, 28330), (2780, 19831), (2833, 19460), (3892, 14165), (4865, 11332), (5666, 9730)]