490600520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{645527}}^1$

素因数の和:645557

約数の個数: 32

約数和(自身を含む): 1161950400

約数和(自身を除く): 671349880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 645527, 1291054, 2582108, 3227635, 5164216, 6455270, 12265013, 12910540, 24530026, 25821080, 49060052, 61325065, 98120104, 122650130, 245300260, 490600520]

約数ペア:

[(1, 490600520), (2, 245300260), (4, 122650130), (5, 98120104), (8, 61325065), (10, 49060052), (19, 25821080), (20, 24530026), (38, 12910540), (40, 12265013), (76, 6455270), (95, 5164216), (152, 3227635), (190, 2582108), (380, 1291054), (760, 645527)]