123187570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{12583}}^1$

素因数の和:12690

約数の個数: 32

約数和(自身を含む): 244632960

約数和(自身を除く): 121445390

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4895, 9790, 12583, 25166, 62915, 125830, 138413, 276826, 692065, 1119887, 1384130, 2239774, 5599435, 11198870, 12318757, 24637514, 61593785, 123187570]

約数ペア:

[(1, 123187570), (2, 61593785), (5, 24637514), (10, 12318757), (11, 11198870), (22, 5599435), (55, 2239774), (89, 1384130), (110, 1119887), (178, 692065), (445, 276826), (890, 138413), (979, 125830), (1958, 62915), (4895, 25166), (9790, 12583)]