48986380

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:478

約数の個数: 48

約数和(自身を含む): 105557760

約数和(自身を除く): 56571380

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 139, 263, 268, 278, 335, 526, 556, 670, 695, 1052, 1315, 1340, 1390, 2630, 2780, 5260, 9313, 17621, 18626, 35242, 36557, 37252, 46565, 70484, 73114, 88105, 93130, 146228, 176210, 182785, 186260, 352420, 365570, 731140, 2449319, 4898638, 9797276, 12246595, 24493190, 48986380]

約数ペア:

[(1, 48986380), (2, 24493190), (4, 12246595), (5, 9797276), (10, 4898638), (20, 2449319), (67, 731140), (134, 365570), (139, 352420), (263, 186260), (268, 182785), (278, 176210), (335, 146228), (526, 93130), (556, 88105), (670, 73114), (695, 70484), (1052, 46565), (1315, 37252), (1340, 36557), (1390, 35242), (2630, 18626), (2780, 17621), (5260, 9313)]