257370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{373}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 646272

約数和(自身を除く): 388902

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 373, 690, 746, 1119, 1865, 2238, 3730, 5595, 8579, 11190, 17158, 25737, 42895, 51474, 85790, 128685, 257370]

約数ペア:

[(1, 257370), (2, 128685), (3, 85790), (5, 51474), (6, 42895), (10, 25737), (15, 17158), (23, 11190), (30, 8579), (46, 5595), (69, 3730), (115, 2238), (138, 1865), (230, 1119), (345, 746), (373, 690)]