405172015

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 537935904

約数和(自身を除く): 132763889

約数列:

[1, 5, 31, 37, 43, 53, 155, 185, 215, 265, 961, 1147, 1333, 1591, 1643, 1961, 2279, 4805, 5735, 6665, 7955, 8215, 9805, 11395, 35557, 41323, 49321, 50933, 60791, 70649, 84323, 177785, 206615, 246605, 254665, 303955, 353245, 421615, 1528951, 1884521, 2190119, 2614013, 7644755, 9422605, 10950595, 13070065, 81034403, 405172015]

約数ペア:

[(1, 405172015), (5, 81034403), (31, 13070065), (37, 10950595), (43, 9422605), (53, 7644755), (155, 2614013), (185, 2190119), (215, 1884521), (265, 1528951), (961, 421615), (1147, 353245), (1333, 303955), (1591, 254665), (1643, 246605), (1961, 206615), (2279, 177785), (4805, 84323), (5735, 70649), (6665, 60791), (7955, 50933), (8215, 49321), (9805, 41323), (11395, 35557)]