128203490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{653}}^1\times {\mathrm{677}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 239442480

約数和(自身を除く): 111238990

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 653, 677, 1306, 1354, 3265, 3385, 6530, 6770, 18937, 19633, 37874, 39266, 94685, 98165, 189370, 196330, 442081, 884162, 2210405, 4420810, 12820349, 25640698, 64101745, 128203490]

約数ペア:

[(1, 128203490), (2, 64101745), (5, 25640698), (10, 12820349), (29, 4420810), (58, 2210405), (145, 884162), (290, 442081), (653, 196330), (677, 189370), (1306, 98165), (1354, 94685), (3265, 39266), (3385, 37874), (6530, 19633), (6770, 18937)]