156940760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{206501}}^1$

素因数の和:206531

約数の個数: 32

約数和(自身を含む): 371703600

約数和(自身を除く): 214762840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 206501, 413002, 826004, 1032505, 1652008, 2065010, 3923519, 4130020, 7847038, 8260040, 15694076, 19617595, 31388152, 39235190, 78470380, 156940760]

約数ペア:

[(1, 156940760), (2, 78470380), (4, 39235190), (5, 31388152), (8, 19617595), (10, 15694076), (19, 8260040), (20, 7847038), (38, 4130020), (40, 3923519), (76, 2065010), (95, 1652008), (152, 1032505), (190, 826004), (380, 413002), (760, 206501)]