388930

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 777600

約数和(自身を除く): 388670

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 115, 178, 190, 230, 437, 445, 874, 890, 1691, 2047, 2185, 3382, 4094, 4370, 8455, 10235, 16910, 20470, 38893, 77786, 194465, 388930]

約数ペア:

[(1, 388930), (2, 194465), (5, 77786), (10, 38893), (19, 20470), (23, 16910), (38, 10235), (46, 8455), (89, 4370), (95, 4094), (115, 3382), (178, 2185), (190, 2047), (230, 1691), (437, 890), (445, 874)]