189905275

素因数分解:

$5^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 279704320

約数和(自身を除く): 89799045

約数列:

[1, 5, 7, 25, 35, 37, 139, 175, 185, 211, 259, 695, 925, 973, 1055, 1295, 1477, 3475, 4865, 5143, 5275, 6475, 7385, 7807, 24325, 25715, 29329, 36001, 36925, 39035, 54649, 128575, 146645, 180005, 195175, 205303, 273245, 733225, 900025, 1026515, 1085173, 1366225, 5132575, 5425865, 7596211, 27129325, 37981055, 189905275]

約数ペア:

[(1, 189905275), (5, 37981055), (7, 27129325), (25, 7596211), (35, 5425865), (37, 5132575), (139, 1366225), (175, 1085173), (185, 1026515), (211, 900025), (259, 733225), (695, 273245), (925, 205303), (973, 195175), (1055, 180005), (1295, 146645), (1477, 128575), (3475, 54649), (4865, 39035), (5143, 36925), (5275, 36001), (6475, 29329), (7385, 25715), (7807, 24325)]