90209450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1669}}^1$

素因数の和:1751

約数の個数: 48

約数和(自身を含む): 178917120

約数和(自身を除く): 88707670

約数列:

[1, 2, 5, 10, 23, 25, 46, 47, 50, 94, 115, 230, 235, 470, 575, 1081, 1150, 1175, 1669, 2162, 2350, 3338, 5405, 8345, 10810, 16690, 27025, 38387, 41725, 54050, 76774, 78443, 83450, 156886, 191935, 383870, 392215, 784430, 959675, 1804189, 1919350, 1961075, 3608378, 3922150, 9020945, 18041890, 45104725, 90209450]

約数ペア:

[(1, 90209450), (2, 45104725), (5, 18041890), (10, 9020945), (23, 3922150), (25, 3608378), (46, 1961075), (47, 1919350), (50, 1804189), (94, 959675), (115, 784430), (230, 392215), (235, 383870), (470, 191935), (575, 156886), (1081, 83450), (1150, 78443), (1175, 76774), (1669, 54050), (2162, 41725), (2350, 38387), (3338, 27025), (5405, 16690), (8345, 10810)]