28114140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3371}}^1$

素因数の和:3522

約数の個数: 48

約数和(自身を含む): 79309440

約数和(自身を除く): 51195300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 3371, 4170, 6742, 8340, 10113, 13484, 16855, 20226, 33710, 40452, 50565, 67420, 101130, 202260, 468569, 937138, 1405707, 1874276, 2342845, 2811414, 4685690, 5622828, 7028535, 9371380, 14057070, 28114140]

約数ペア:

[(1, 28114140), (2, 14057070), (3, 9371380), (4, 7028535), (5, 5622828), (6, 4685690), (10, 2811414), (12, 2342845), (15, 1874276), (20, 1405707), (30, 937138), (60, 468569), (139, 202260), (278, 101130), (417, 67420), (556, 50565), (695, 40452), (834, 33710), (1390, 20226), (1668, 16855), (2085, 13484), (2780, 10113), (3371, 8340), (4170, 6742)]